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Trek Marlin 4, 5, 6, 7, and 8 Compared: Which One to Choose?

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In this article, I’ll help you navigate the Trek Marlin mountain bike family by comparing the Marlin 4, 5, 6, 7, and 8. 

You’ll learn about the differences between each model, who they are best suited for, and more. 

Plus, I’ll tell you which model gives you the best value for your money to help make your decision easier.

KEY TAKEAWAY

Trek Marlin mountain bikes are ideal for beginners and intermediate riders. They are suitable for cross-country-like terrains. They have relatively short fork travel and no rear suspension, so I recommend avoiding too demanding terrains and technical trails. For those, check out Trek Roscoe .

Trek Marlin 4 vs. 5 vs. 6 vs. 7 vs. 8

The following table summarizes the main differences between all Marlins that belong among the Trek hardtail mountain bikes .

Marlin Pros & Cons Summary

I summarized the pros & cons of the Marlin series below.

Marlin Pros

• Affordability
• Availability in multiple sizes and colors
• Compatible with racks, kickstands, etc.
• Partially internal cable routing
• Lifetime warranty

Marlin Cons

• Unsuitable for demanding MTB terrain due to the short fork travel (100mm)
• Relatively heavy
• No full-suspension
• No dropper post (except Trek Marlin 8 Gen 3), Gen 3 models are compatible with dropper posts

Marlin Main Features

Let me now explain the most important features of the Trek Marlin bikes.

Frame and Geometry

All Marlin bikes have the same aluminum cross-country frame , available in many sizes and colors that vary between models.

The XXS-S sizes have a differently shaped top tube , which is curved to increase the clearance between the rider’s crotch and the frame. This allows riders with shorter legs to stand over the bike more comfortably, for example, when stopping.

The frames of Gen 2 Marlins have a standard cross-country geometry , which provides a comfortable riding position and easy pedaling uphill and downhill. It also gives you easy maneuverability and visibility.

On the other hand, it’s not quite suitable for steep descents and challenging terrain – especially without a dropper seatpost.

The Gen 3 Marlins have a trail geometry (wider wheelbase), which provides more stability, especially when riding downhill. It’s similar to the Trek Roscoe geometry .

Lastly, it’s worth noting that the bike’s partially internally routed cables improve its overall appearance.

One of the biggest limitations of Marlin bikes is their front fork suspension. These bikes are not primarily designed for challenging terrain but rather for those who want a versatile bike that can handle various surfaces.

All Marlin bikes have suspension travel of only 100mm , which is capable of absorbing small bumps. However, it’s not ideal for riding on rocky trails, and especially not for downhill riding.

Therefore, if you want a bike for more challenging terrain, choose one with longer travel (for example, the Trek Roscoe series ).

All forks of Marlin bikes have suspension lockout. Lock it when riding on smooth surfaces for less energy loss when pedaling.

Wheels and Tires

The wheel size varies depending on the frame size. Frames smaller than size S are equipped with 27.5″ wheels, which are more agile and accelerate faster than 29″ wheels. Frames size M and larger have 29-inch wheels, which are more stable and better at maintaining speed.

All models have the same rims (Bontrager Connection, double-wall) except for the highest model, the Marlin 8 , which has Bontrager Kove rims. The former rims are not tubeless-ready, while the latter are.

The same goes for the tires. The highest model already has tubeless Maxxis Ardent tires, while lower models have Bontrager XR2 Comp inner tube tires.

The groupset is one of the main areas where the different models vary, and it’s probably the deciding factor for many people.

They differ primarily in the number of gears . Modern mountain bikes mainly use 1X drivetrains , which are popular due to their simplicity for maintenance and shifting. They are also lighter than 2X or 3X groupsets .

On the other hand, they offer fewer gears, so you may not always find the ideal one for your preferred cadence.

I recommend choosing from the 1X drivetrains, which are available on Marlin 6 and higher models. This way, you won’t have to think too much about shifting and cross-chaining.

Another difference between the Marlin models is their brakes. The entry-level Marlin 4 uses mechanical disc brakes , while higher-end models have Tektro or Shimano hydraulic brakes .

Better brakes provide higher braking power. However, if you mainly ride on flat terrain leisurely, you don’t have to worry about a lack of braking performance.

Quality brakes are especially important if you plan on riding technical descents, so consider your riding style.

To learn more about disc brakes, read my article comparing mechanical and disc brakes .

Marlin frames have mounts for kickstands and racks , so you can easily install these accessories.

You can also use a Blendr stem , which is a mechanism that allows you to easily attach things like lights, speedometers, or bike computers.

The last detail is the lock-on grips that are easier to install and replace than slip-on grips.

So, which bike from the Marlin family is the best?

In my opinion, the Marlin 6 is the best choice because it has a modern 10-speed 1X Shimano Deore drivetrain and Tektro hydraulic disc brakes. Plus, it’s priced in the middle of the entire Marlin range.

Another option to consider is the Marlin 5 , which is similar but has a Shimano Altus 2×8spd drivetrain, is lighter, and more affordable.

On the other hand, I recommend avoiding the Marlin 4 because it uses the outdated 3X drivetrain. The value of the Marlin 8 is also questionable, as you can get mountain bikes with better components in this price range.

Trek Marlin FAQ

Trek Marlin mountain bikes are perfect for people who are new to mountain biking, recreational riders, and those who use their bikes to commute. Marlins are reasonably priced, versatile, and comfortable. They come in various sizes and colors, so you can always find the best fit. However, they have entry-level components and are not suitable for challenging terrain because their fork travel is short. Check out Trek X-Caliber and Procaliber families if you want a better XC bike.

Marlin bikes (4 to 8) differ mainly in components like the groupset, front fork, brakes, weight, and price. I recommend reading this entire article for more information and a helpful comparison table.

The geometry is the main difference between Trek Marlin Gen 2 and Gen 3. Gen 3 Marlins have a trail geometry, which means a wider wheelbase providing better stability. Gen 2 has a standard XC geometry. Marlin Gen 3 bikes use wider tires and different wheels and are heavier. They are also available in different colors and are more expensive (except for the Marlin 7 Gen 2 vs. Gen 3). Most other components, like the groupset, suspension fork, saddle, grips, etc., are the same.

Marlin mountain bikes are a great choice for those who need an affordable bike. They are versatile, allowing you to ride on different surfaces like paved roads with potholes, dirt, forest roads, and easy trails. Plus, they have mounting options that make adding accessories like racks and kickstands easy. The high-volume tires and front suspension provide a comfortable ride, better than what you’d get on a gravel bike , for example.

Marlin mountain bikes come with entry-level components that may limit their performance for serious mountain bikers. The groupsets are not as fast and effective, and the fork travel is limited to only 100mm. These bikes are also relatively heavy and don’t have a carbon frame option or a dropper post.

About The Author

Petr Minarik

10 thoughts on “trek marlin 4, 5, 6, 7, and 8 compared: which one to choose”.

You mentioned you can get mountain bikes with better components for try price of the Marlin 8. Which ones come to mind?

Hi Andrew, Check out the Polygon Syncline C3 , which has a longer suspension travel and carbon frame (yes, it’s currently discounted), or Polygon Siskiu D5 , which is a full suspension MTB. 🙂 I hope it helps. – Petr

The Gen 3 Marlin 8 has a dropper post and many other gen 3 models have the holes to run a dropper.

Hi Brandon, Thanks for noticing that. I’ve updated the info. – Petr

Hi Guys, I am interested in Marlin 8, 3 gen. I live in Columbus, OH, what store location is the best for a test drive? Very Respectfully, Luis

Hi Luis, Please, try using Trek store locator . It should give you a list of retailers near you. I hope it helps. 🙂 – Petr

Hi Peter, I purchased a 2022 marlin 7 and I simply love the bike. I usually ride 40 miles a week basically bike trails it handles very well and the braking system is great I would buy this bike all over again. Best regards John from New Jersey.

Hi John, I am glad to hear that. 🙂 I wish you many more miles ahead. – Petr

This blog about Trek Marlin bikes compared has been a tremendous resource for me. Thank you for the awesome content.

I am glad you like it. Thanks. – Petr

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• Marlin 5 Gen 2

Trek Marlin 5 Gen 2

Marlin 5 is a trail-worthy daily rider that's perfectly suited for everyday adventures, on and off the trail. A suspension fork, 2x8 drivetrain, and mounts for a rack and kickstand make it an ideal choice for new trail riders or anyone looking for a comfortable, stable commuter with the ruggedness of a real mountain bike. It's right for you if... You're new to the trail, and you're looking for a real mountain bike that doubles as a commuter—and you want it all at an exceptional value. The tech you get A lightweight aluminum frame with internal routing to protect your cables and add to the bike's sleek look, 2x8 drivetrain, a wide range of gearing so you always have the right gear for your terrain, powerful hydraulic disc brakes, and a terrain-smoothing suspension fork with a lockout. The final word Marlin 5 is a great ride for all your adventures. But it's also versatile, and Marlin 5 is a popular ride on college campuses, because the rack and kickstand mounts make it easy to accessorize and haul a load. Why you'll love it - It's a real mountain bike that's also perfectly suited to daily commutes, rides around campus, or just getting from A to B on any surface - Smaller frame sizes (XXS, XS, and S) have short-reach brake levers that make it easier and more comfortable for riders with smaller hands to brake confidently - Marlin models in XXS through S frame sizes have a curved top tube and a lower standover height that makes it easier for smaller riders to mount and dismount - Rack and kickstand mounts make it easy to accessorize, so your mountain bike can double as a rugged commuter - Like every model in the Marlin family, it's backed by Trek's lifetime warranty Wheel size: - Size XX-Small: 26-inch - Sizes X-Small – Small: 27.5-inch - Sizes Medium – XX-Large: 29-inch

Will my bike have a curved top tube?

Smaller frames (XXS-S) have a top tube that dips down as it approaches the seat tube. This design makes for a lower standover height, which is good for shorter riders because it allows them to straddle their bike more easily. The larger frames (M and up) have a straight top tube because taller riders with longer legs typically don’t have the same issues with standover height.

Due to supply-chain issues, Specs are subject to change without notice.

* Subject to change without notice.

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Trek Marlin 6

• AUS $ NZD $ USD $ CAD $ GBP £ EUR €

Size / 13.5", 15.5", 17.5", 18.5", 19.5", 21.5", 23"

Weight / 14.11

At a glance

Where to buy.

Specifications

• Frame Alpha Silver Aluminum, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5mm QR
• Fork SunTour XCT, Size: XS, SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42mm offset for 27.5'' wheel, 100mm QR, 80mm travel; Size: S, SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42mm offset for 27.5'' wheel, 100mm QR, 100mm travel; Size: M, ML, L, XL, XXL, SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 46mm offset for 29'' wheel, 100mm QR, 100mm travel
• Hubs Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5mm QR
• Wheels Bontrager Connection, double-wall, 32-hole, 20mm width, schrader valve
• Wheel Size 29" 27.5"
• Spokes 14g stainless steel
• Tires Size: XS, S, Bontrager XR2 Comp, wire bead, 30 tpi, 27.5x2.20''; Size: M, ML, L, XL, XXL, Bontrager XR2 Comp, wire bead, 30 tpi, 29x2.20''
• Chain KMC , KMC X10, 10 speed
• Crank Prowheel C10Y-NW, 30T steel narrow-wide ring, 170mm length
• Bottom Bracket VP BC73, 73mm, threaded cartridge
• Rear Derailleur Shimano Deore, Shimano Deore M5120, long cage
• Shifters Shimano Deore, Shimano Deore M4100, 10 speed
• Brakeset Tektro , Size: XS, S, Tektro HD-M276 hydraulic disc, short reach lever; Size: M, ML, L, XL, XXL, Tektro HD-M275 hydraulic disc
• Handlebar Size: XS, Bontrager alloy, 31.8mm, 5mm rise, 690mm width; Size: S, M, ML, L, XL, XXL, Bontrager alloy, 31.8mm, 5mm rise, 720mm width
• Saddle Bontrager Arvada, steel rails, 138mm width
• Seatpost Size: XS, S, M, Bontrager alloy, 31.6mm, 12mm offset, 330mm length; Size: ML, L, XL, XXL, Bontrager alloy, 31.6mm, 12mm offset, 400mm length
• Stem Size: XS, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 50mm length; Size: S, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 60mm length; Size: M, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 70mm length; Size: ML, L, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 80mm length; Size: XL, XXL, Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 90mm length
• Grips Bontrager XR Endurance Comp, lock-on
• Headset Semi-integrated, 1-1/8''

Q: How much is a 2022 Trek Marlin 6?

A 2022 Trek Marlin 6 is typically priced around $779 USD when new. Be sure to shop around for the best price, and also look to the used market for a great deal.

Q: Where to buy a 2022 Trek Marlin 6?

The 2022 Trek Marlin 6 may be purchased directly from Trek .

Q: How much does a 2022 Trek Marlin 6 weigh?

A 2022 Trek Marlin 6 weights 14.11.

Q: What size wheels does the 2022 Trek Marlin 6 have?

The 2022 Trek Marlin 6 has 29" and 27.5" wheels.

Q: What size 2022 Trek Marlin 6 should I get?

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Trek Marlin 6 Gen 2 Review: Beginner’s Dream Mountain Bike

The Trek Marlin 6 2023 is the newest iteration of the entry-level XC hardtail family designed for light trail riding, gravel paths, fire roads, and mixed-terrain commuting. 

The 2023 Gen 2 model is the same as the Trek Marlin 6 2022, only with different colors and a new name. Trek overhauled its naming system for the upcoming year, referring to the models by the number of generations there have been. So the latest version of a Trek bike has the highest ‘Gen’ number.

This Trek Marlin 6 review will cover the bike’s main specs and highlights, answer some buyer questions, and provide our verdict on who should buy one. 

How Much is the Trek Marlin 6?

Trek Marlin 6 price is $850 and sits in the middle of the price range of the five Marlin models. The cheapest model costs $630, and the most expensive is $1,330. Alongside the 820, the Marlin is Trek’s most affordable mountain bike family.

• Shimano Deore 10-speed drivetrain
• Rack and kickstand mounts
• Progressive sizing 
• Low-performance coil fork

Trek Marlin 6 Gen 2 Full List of Specs

Trek marlin 6 gen 2 full review.

In this section, we will cover the main features of the Trek Marlin 6 Gen 2 and what makes it stand out in the sub-$1,000 MTB category. 

Trek Marlin 6 Gen 2 is available in four modern paint jobs that will suit any type of rider.

What Type of Bike Is a Trek Marlin 6?

The Trek Marlin 6 MTB is a modern-looking cross-country hardtail with a 100mm coil suspension fork, perfect for beginner mountain bikers. Unfortunately, the rudimentary suspension limits the Marlin 6 to relatively mild trails. Nonetheless, it makes an excellent day-to-day bike for commuting, transport, and leisure.

Alpha Silver Aluminum Frame

Trek uses its Alpha Silver aluminum frame for the Marlin 6. Thanks to the company’s consistent design and materials innovations, these frames outperform the similarly-priced competition in compliance and comfort. 

Internal cable routing means Marlin 6 looks sleek and neat, while it also protects the cables from excessive wear and tear.

The frame has quick-release axles, tidy internal cable routing, and mounts for a rack and kickstand, allowing you to equip the Marlin for commuting or bikepacking. One unusual feature of this bike is the curved top tube on the smaller models (XS, S) that lowers the standover height for a better fit. 

Is the Trek Marlin 6 Good for Jumps?

No, the Trek Marlin 6 isn’t good for jumps. Unfortunately, as a cheap hardtail, this bike uses a low-performance coil-spring Suntour XCT 30 fork with 100mm of travel (80mm on XS). This fork performs poorly on bumpy trails but is adequate for day-to-day riding and light off-roading .

Thankfully, the fork has preload and hydraulic lockout settings, but the headtube isn’t tapered, meaning it will be harder to upgrade.  

Shimano Deore 10-Speed Drivetrain

The standout feature for us is the Shimano Deore M4100 10-speed drivetrain. The Trek Marlin 6 is one of the only bikes with this hardware at $850 or below. In addition, an 11-46t cassette and 30t chainring provide plenty of gearing for steep gradients. 

Shimano Deore 10-speed drivetrain is a standard in this price range across the industry, as it provides plenty of gear range and smooth gear shifting.

Generally, sub-$1,000 mountain bikes have cheaper drivetrains that shift poorly and lose efficiency quickly. However, Deore M4100 is durable and smooth-shifting , and the single chainring makes it easier to maintain. 

Tektro Hydraulic Disc Brakes

Another excellent inclusion for a bike of this price is hydraulic disc brakes. Although entry-level, Tektro’s HD-M275 brakeset with 160mm rotors performs well at this price range and for a bike of this spec. 

Hydraulic discs allow you to stop safely in wet weather and with plenty of power and reliability in most situations. However, if you plan on tackling advanced trails, neither this bike nor the brakes are adequate. 

2.20″ Tires and Progressive Wheel Sizing

The Trek Marlin 6 has Bontrager XR2 Comp tires for handling hardpack trails, gravel paths, and pavement where traction is relatively predictable. These XC-style tires roll fast and provide decent grip but will slip and slide in wet trail conditions. 

Even though the tires are not tubeless-ready, they are wide enough to provide plenty of traction in varying conditions that come with modern mountain biking.

The XS and Small sizes of this bike have 27.5″ rims, while the others use 29ers. Progressive sizing makes the Marlin fit more consistently across rider heights. Unfortunately, the wheelset and tires are not tubeless-ready. 

Trek Marlin 6 Gen 2 Sizing Chart

• XS — 4’9″-5’1″ / 145-155cm
• S —  5’1″-5’5″ / 155-165cm
• M —  5’5″-5’8″ / 165-173cm
• M/L — 5’8″-5’11” / 173-180cm
• L —  5’11”-6’2″ / 180-188cm
• XL —  6’2″-6’5″ / 188-195cm
• 2XL — 6’5″-6’8″ / 195-203cm

Who Is Trek Marlin 6 Gen 2 Best Suited For?

The Marlin 6 Trek MTB is best for beginner mountain bikers who want to start learning the skills and techniques of the sport on light trails. In addition, cyclists who want a bike for comfortable day-to-day use, running errands, and mixed-terrain commutes will enjoy the Marlin 6. 

We recommend the Marlin 6 Gen 2 to beginner to early-intermediate mountain bikers who mostly stay on light trails and rough dirt and gravel roads.

Again, this bike is limited by its cheap fork, so if you want a bike to grow into and challenge your mountain biking skills, you may want to check out one of the higher-end Trek MTBs. 

Other Trek Marlin Bikes We Reviewed:

• Trek Marlin 4 Gen 2 Review
• Trek Marlin 5 Gen 2 Review
• Trek Marlin 7 Gen 2 Review
• Trek Marlin 8 Gen 2 Review

Is Marlin 6 Gen 2 a Good Buy?

We think the Trek Marlin 6 Gen 2 is a solid choice at just $850. The new-style frame and geometry make it look like the real deal, even if it can’t handle hard riding. 

Most of the Marlin 6’s components are excellent for the price range, including Shimano’s Deore drivetrain, hydraulic disc brakes, durable Bontrager tires, and a quality frame with solid ride characteristics. 

Don’t miss out on this excellent deal if you’re looking for a cheap do-it-all bike that’s at home on pavement, light mountain trails, and everything in between.

Buy from Trek Bikes

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Jordan Grimes

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Trek Marlin Buyer's Guide

Trek Marlin is a trail-worthy mountain bike that's tough enough for off-road adventures and versatile enough to impress dedicated commuters.  Read our guide to understand the ins-and-outs of this MTB, why it might be the best bang for your buck, and the differences between model options.

Trek Marlin Overview Trek Marlin Features Trek Marlin Models

Trek Marlin Overview

Who is a Trek Marlin for?

The Trek Marlin is durable, easy to outfit with gear and accessories, and at home on many types of terrain.  This makes it an ideal mountain bike for beginner cyclists looking for versatility at a good price point.  

Commuters will appreciate the frame mounts for a rear rack, 29" or 27.5" wheels for smooth and efficient pedaling, and 4" of front suspension to take the edge off the ride. 

The Marlin is capable on the mountain too.  It'll gobble up less technical XC trails like the Bonneville Shoreline Trail on the east bench in Ogden.

Why you might love a Trek Marlin

VALUE!  The Marlin is not only a high-quality and versatile mountain bike, it's also super affordable!  It's built with the best component spec per price point that ensures you won't outpace the bike as your cycling skills advance and your adventures get more technical.

Experience the Trek Marlin

Trek Marlin Features

Smart Wheel Sizing

Ride the fastest wheelset that fits. 26" wheels stay alive on the XXS size, while the XS and S frames roll with 27.5" wheels.  Medium thru XXL frames are equipped with the fastest 29" wheels.

Bike Mount Versatility

You'll appreciate the ability to accessorize with an array of features including a direct-mount for kickstands and rack/cargo mounts.  Bike packers and commuters alike can geek out over the mounting options.

The Marlin comes in seven frame sizes (XXS to XXL) to comfortably fit riders of practically  any height! For the smallest sizes, they've included unique fit features like a curved top tube for easier dismounting.

Race-Inspired Geometry

Trek engineered the Marlin to have the look of an XC-racing bike while prioritizing comfort for beginner riders.

Internal Cable Routing

Looks awesome!  No unsightly cables to be seen. Internal cable routing on the Marlin means you don't have to fret about dirt, grime, and inclement weather contaminating your cables.  

Marlin Gen 3 vs Marlin Gen 2

Whereas the Gen 2 Trek Marlins give riders a great balance between trail and street. the Gen 3 Marlins have been tipped towards the trail end of the scale.

• More tire clearance: Gen 2 Marlins have clearance for 2.2" tires while the Gen 3 models can fit 2.4" tires.  
• Internal dropper post cable routing: Gen 3 Marlins come with internal cable routing for dropper posts while Gen 2 bikes don't.  
• New rear ThruAxel: Gen 3 Marlins use a stiffer, more secure rear thru axle skewer.  
• Trail focused geometry: Gen 3 Marlins have a more trail focused geometry that includes a slacker head tube angle, a steeper seat tube angle, and a longer reach than the Gen 2 models.  
• Chain stay guard: All Gen 3 Marlins come with a full length chain stay guard to protectthe frame and keep things quiet on the trail.

Trek Marlin Mountain Bike Models For Sale

There are currently  eight levels of Trek Marlin mountain bikes designed with a wide range of riders in mind. 

Find the one that fits you and your needs below:

Trek Marlin 6 Gen 3

The Gen 3 Trek Marlin 6 kicks off the lineup with a capable, trail-ready MTB that's at home on the dirt or on the pavement.

• Frame : Alpha Silver Aluminum
• Fork : SR Suntour XCT 30 coil spring 100mm
• Drivetrain : Shimano Deore M5120 1x10
• Brakes : Tektro HD-M275 hydraulic disc
• Price:  $899.99

Trek Marlin 7 Gen 3

Upgrades: Better suspension fork and higher end hydraulic disc brakes for improved control on steeper, rougher trails.

• Fork : RockShox Judy coil spring with Turn Key lockout 100mm
• Brakes : Shimano MT200 hydraulic disc
• Price:  $999.99

Trek Marlin 8 Gen 3

Upgrades: A serious trail package that includes an air spring fork, 1x12 speed drivetrain, and a dropper post.

• Frame : Alpha Silver Aluminum,
• Fork : RockShox Judy Silver, Solo Air spring 100mm
• Drivetrain : SRAM SX Eagle 1x12
• Dropper post : TranzX JD-YSP18 
• Price:  $1,399.99

Trek Marlin 4 Gen 2

Marlin 4 is Trek's gateway to XC trail riding. It is the most affordable of the options and is versatile enough to get out and explore or be a daily commuter.

• Fork : SR Suntour XCE 28 100mm
• Drivetrain : Shimano Tourney TY300 3x7
• Brakes : Tektro MD-M280 Mechanical Disc
• Price:  $629.99   $529.99

Trek Marlin 5 Gen 2

Upgrades:  Better 2X shifting, lockout, and hydraulic disc brakes. Marlin 5 improves light trail riding but still doubles as a versatile commuter.

• Fork : SR Suntour XCM 30 100mm
• Drivetrain : Shimano Altus 2x8
• Brakes : Tektro HD-M276 Hydraulic Disc
• Price:   $739.99   $599.99

Trek Marlin 6 Gen 2

Upgrades:  Much improved shifting with a wide-range 1x10 Shimano Deore drivetrain. Nice!!

• Fork : SR Suntour XCT 30 100mm
• Drivetrain : Shimano Deore 1x10
• Price:   $849.99   $749.99

Trek Marlin 7 Gen 2

Upgrades: Rock Shox fork! Bontrager Kovee TLR wheels, and powerful Shimano hydraulic disc brakes. 

• Fork : RockShox Judy with Turnkey lockout 100mm
• Brakes : Shimano MT200 Hydraulic Disc
• Price:  $1,029.99   $899.99

Trek Marlin 8 Gen 2

Upgrades:  Mega-range Sram 1X12 Drivetrain! Tubeless ready Maxxis tires, and a Rock Shox Judy Silver with Solo air spring.   The Marlin 8 approaches a race-worthy XC MTB that's perfect for aspiring new trail riders.

• Frame :  Alpha Silver Aluminum
• Fork :  Rock Shox Judy Silver Solo Air 100mm
• Drivetrain :  Sram SX 1X12
• Brakes :  Shimano MT200 Hydraulic Disc
• Price:   $1,329.99   $1,199.99

Want an even more off road capability? 

Trek makes incredible mountain bike models that don't stop at the Marlin. If you're considering the Marlin but want a little more capability on the trails, you might like some of Trek's other offerings. The Trek X-Caliber is another solid value MTB but is actually an entry level XC race bike, and the Trek Roscoe is their agressive trail hardtail with more travel and bigger tire clearance.

Trek Marlin 5 Review: Worth the Money?

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• Trek Marlin 5 Review: Worth the Money? - September 8, 2022

From electric to fat-bikes and hybrids, Trek is an extremely versatile brand combining several different manufacturers.

In the Marlin 5 , Trek has created good quality, an entry level hardtail mountain bike that is ideal for children, everyday adventure seekers and those new to mountain biking (and need a real mountain bike).

It is a not a great bike to do any type of jumps or handle extreme terrain, however, but if you are looking for a thrilling trail experience on the gravel or trails (trail riders) and cross country trips that don’t involve too many TTF’s (Technical Trail Features), this bike could be very interesting for you!

Bottom Line Up Front:  The Trek Marlin 5 is an EXCELLENT all-rounder mountain bike. It’s an affordable base platform that doesn’t do too much, but with a clean base to add customizations and upgrades as you go. A great starter mountain bike. Check out the latest discounts and promos directly on Trek.com here .

Marlin 5 is a trail-worthy daily rider that's perfectly suited for everyday adventures, on and off the trail. A front suspension fork with 100mm of travel, 21 speeds, and mounts for a rack and kickstand make it an ideal choice for new trail riders or anyone looking for a comfortable, stable commuter with the ruggedness of a real mountain bike.

Table of Contents

Tips on Buying The Best Entry-Level Mountain Bike

I have made some good and bad bike choices and I didn’t actually start out as a mountain biker at all, but did miles of road cycling a day.

It was part of my life from a very young age. But the off-road experience became appealing once I started to travel and there were slightly more interesting trails available than the ones we have in Belgium.

Since this is a good entry-level bike (if not a GREAT bike), let me offer you some tips on what you need to keep an eye out for in buying your first or all-round mountain bike for trail adventures!

Avoid Flash And Start Simple

We are a very visually driven culture and it is so easy to fall into the flashy bike trap. It’s, of course, okay for a bike to look good, but make sure you prioritize the right things and tick some necessary technical details off the list first. More on that below.

Set Your Budget But Don’t Go Too Low

Entry-level bikes still need to adhere to proper safety standards and it is a mistake to think that since you are just going for simple rides, that 60 dollar bike from the supermarket will do. They always compensate in quality to get the price that low. The frame will usually be heavier and made from inferior steel.

The individual components will be of lesser quality as well and unless you plan on sticking to paved roads only, you will probably be replacing all of them within months, perhaps even weeks. For a good quality entry-level mountain bike, you will be looking at a minimum of around 400 USD but will still pay below 750 USD.

Think About Suspension

If you plan on embarking on slightly rougher terrain, the front suspension is important for comfort and a smooth ride as well as your bike’s health. Suspension forks vary depending on the model, but for a good entry-level hard tail with the above-mentioned price range, you should expect suspension travel from 80 to 120 mm (a relatively rigid hard fork).

If you are planning smooth rides rather than bumpy ones, it can be okay to forego the suspension and look for higher quality in other parts of the bike. Do keep an eye out for a rigid fork that is well made and relatively light, since weight and performance can be a problem with a cheaper fork.

Were you perhaps considering full suspension? For one, this would only be necessary for particularly rougher terrain, not for an entry-level bike, and you should also know that within this reasonable price range, manufacturers might cut corners in the quality of design elsewhere to compensate for the full suspension.

So you will have to double your budget to still get top quality in other areas. But again, for an entry-level mountain bike, it is not necessary in my opinion. Don’t let anyone convince you it is!

Don’t Underestimate The Value Of Frame And Wheel Size

Frame size matters greatly for your comfort levels, whether you are trail riding or just biking for commuter purposes. Always consult the size chart that accompanies the bike. That being said, do try the bike before buying or exchange it if it doesn’t quite fit well after buying online.

Nowadays, the 27.5 inch wheels are among the most popular in use. The 29” is popular with some, though it doesn’t fit every type of person. The biggest perk about 29” wheels is that they can increase grip and stability on some trails (grips less stable debris), but can be too heavy for some grips.

Also, note the knobs on the wheel itself, rougher terrain will benefit from from the more pronounced knobs while speeds will increase with a smoother design once on less aggressive trails. Think carefully what type of trails you will be hitting.

What About the Gear Shifters / Shift Levers?

A bike within this price range will often have a 21-speed drivetrain gears, which refers to a 7 Speed cassette and 3 chain-rings in the front.

A 20 speed or 2 x 10, 10-speed cassette with 2 chain rings, which generally improves performance due to producing less duplicate ratios. A lot of bikes will have just the one ring up front in order to simplify as well as take away some of the weight.

Key Features And Performance – Does The Trek Marlin 5 Qualify?

Key features.

The Trek Marlin 5 boasts an Alpha Silver Aluminum Frame with internally routed cables . It has a very sleek and modern design with the added bonus that the cables will not collect dirt or indeed get damaged. This feature is usually available on more expensive bikes only!

It offers SR Suntour XCE 28 Suspension Fork with 100 mm of travel suspension which makes it ideal for rougher terrain that doesn’t get too technically demanding and the Bontrager Arvada Saddle mounts ensures comfort even on longer cross country biking trails or even for commuter riders.

The Shimano Tourney 21 Speed Drivetrain is of high quality and most commonly used in this price range. If you prefer to convert the 3-chain ring in the front to a single one to compensate the weight, you can, but you will be needing a new single-ring crank.

With the Tektro HD-275 Hydraulic Disc Brakes you only need one finger to use the disc brakes (unlike mechanical disc brakes) which means you will be less likely to strain your hands on the way down (whether on hard surfaces or as off-road disc brakes). It also means that children or people with less strength in their hands will feel safe (fully in control of the brake situation) and comfortable on this bike with these brake levers.

Genuine Replacement Parts. Get your bike back on the trail with the brake parts you need.

The Bontrager XR2 27.5/29 x 2.2/2.0” Tires are of excellent quality for gravel and mountain roads but less so for muddy terrains. Consider more articulated tire knobs for this. Bontrager parts – in general – are an indicator of quality.

Legendary tire designer Frank Stacy provides another race-proven design with the XR2 Team Issue mountain bike tire. It's Tubeless Ready for fewer flats, and features a specifically-formulated compound for lightweight construction, improved cornering traction, and low rolling resistance.

The Wheel Sizes range from 27.5”- XS and S 29” to M, ML, L, XL, XXL. See the above part on wheel sizes to get an idea about which one could be best for you and always test before buying!

On Which Terrain Does The Trek Marlin 5 Perform Well?

As an entry level hardtail, it can handle rougher terrain but not one equipped with too many technical challenges. There are many different biking trails and tracks you can try out, just make sure you check the difficulty levels before embarking on your trip.

Suitable types of mountain biking

• Trail riding without excessive TTF’s . Trail riding is a beautiful introduction into the sport if you focus on multi-use paths (a great multipurpose bike), bridleways and other tracks that require no technical skills. The Marlin 5 is an awesome bike for that, with the appropriate riser bars, mounts and dropper post.
• Singletrack, doubletrack and bike parks : These cover many types of trails in one. Make sure to pay attention to the color coding since they determine the level you and your bike will need.
• Downhill (DH) : The excellent hydraulic brake system is very suitable for downhill rides and riders. But here too, pay attention to difficulty levels and do not push it to extremes, despite the high durable nature of the Trek 5.
• Cross Country (XC) : In some cases, cross country can be enjoyed if you forego the possible jumps. The bike it otherwise suited as a hardtail with 100mm front suspension and the corresponding mounts. Cross Country tracks range from fire roads (go for it!) to more technical singletracks.
• Your everyday commute : The high levels of comfort and stability of the Marlin 5 mean that you can even use this bike on your commutes as well!

Not suitable for

• Dirt jumping : The bike is not suited for jumps, even smaller ones.
• Free ride : This type of mountain-biking typically combines DH with dirt jumping and will need more complex and expensive models.
• MTB Touring : The sleek design and light aluminum frame is perfect for a thrilling ride, but less so for long distance when you need to drag a lot of stuff around since the bike is not fitted well for touring. You can however, if you like, fit the bike with some extra racks front and back. But too many adjustments (like racks) might compromise the quality in other areas.

Trek Marlin 5 Prices

With pricing between 500 and 600 USD , the Marlin 5 fits perfectly within the above-mentioned budget. You can order it online but your local dealer is likely to have this bike in stock. Go have a test ride!

Do these key features add up to the top tips for buying an entry-level mountain bike? In my opinion, it does. If you use this bike right and don’t push it into terrains where it is not built for, you will have a wonderful, budget, high-quality bike kids and adults alike can enjoy.

Trek Marlin 5 Q and A

Which aluminum frame size should i get.

Consult the sizing chart for the best bike size for your standover height and inseam. Make sure to try it out before completing the purchase.

Can the Trek Marlin 5 be equipped with a child seat?

Yes, a rear tire rack, as well as a child seat, can be equipped on the Trek Marlin 5 .

Is this bike suitable for tabletop jumps?

This is an entry level bike and is not suitable for any type of jumps. The wheels have been known to bend even when attempting a lower jump, so don’t try it.

Can I use tubeless tires with this bike?

Tubeless tires are not compatible with the Marlin 5’s wheels. But they do come with the robust and highly resistant Schrader Valve Tubes that rarely gets damaged.

Does the Trek Marlin have lockout suspension?

The Marlin 5 does not have a full lockout suspension, but it does have coil spring with a pre-load adjuster.

Trek Marlin 5 Alternatives

If you are looking for other quality hardtails in the same pricing category, the Vilano Ridge 2.0 Mountain Bike and the Tommaso 2018 Gran Sasso 29er are excellent options. The Vilano is an excellent entry-level option and the Tommaso will suit the entry-level as well as the intermediate rider. So, consider the last one if you are looking to grow as a mountain biker but don’t want to make a switch to another bike too fast.

Another option to consider is the closely similar Trek Marlin 6 which we’ve also reviewed .

Further Related Reading

Read more about:

• How to find the best Hardtail Mountain Bike
• How to find the best XC mountain bikes
• How to find the best dirt jump bikes
• How to find the best downhill mountain bike

Trek Marlin 5 Review: Conclusion

The Trek Marlin 5 s an excellent little all-rounder that provides fun for beginners, children, and everyday thrill-seekers looking for everday adventures on a great bike.

While not fit for more extreme off-road experiences and riders, the Marlin 5 is a great bike as a budget option, combining high quality trail worthy designs with some surprising design choices you will usually only find in more expensive models.

Do you need the perfect gift for your outdoorsy child or are you looking for a nice bike that handles the commute as well as a weekend outing? Then Marlin 5 is perfect for you.

Where to Buy the Trek Marlin 5?

There are a few places you can pick this baby up, but I’d recommend these awesome online retailers:

• Trek Online (Direct) : Where better than to go to the source? Trek has an excellent customer experience online, with free shipping and the ability to deal directly with THEIR support staff if you ever need to. Check out this listing here .

Next: Think About The Right Gear

When setting a budget for a mountain bike for everyday adventures, it is easy to forget you need more than just the bike itself. Keep some room for these items selected for your ride comfort as well as ride safety. This list does not include safety items for more hardcore trails such as knee and elbow pads.

• Biking shorts : Important for mobility, breathability, and comfort. For men, check out the Ezrun 3D Padded Shorts and for women the Cycorld shorts.
• Half finger mountain bike gloves : This way you are able to further tighten the grips without discomfort, especially Downhill. A great and cheap option is the GEARONIC TM Foam Padded MTB gloves.
• Short-sleeve jerseys : Make sure to wear breathable and comfortable shirts. For men, check out the sponeed cycling jersey and for women this fast-drying mountain bike jersey.
• Sunglasses : Aim for comfort, a strong grip, and protection, but also keep in mind that you shouldn’t go too dark. It will make it harder to see the nuances in the road. Fine examples are the Oakley Flax 2.0 XL and the 100% Speedcraft.
• Mountain biking shoes and socks : Make sure to keep an eye on the compatibility with the pedal (often Bontrager pedals or aluminum pedals vs plastic pedals), comfort, flexibility, and weight. If you are looking for quality examples, check out the Sidi SD15 Bike Shoes for men and for women, the Giro Empire VR90.
• Helmet : Safety first! Invest in a quality helmet. The Giro Montaro MIPS MTB Helmet is a quality example.
• Lights : If you are planning to get out at night, consider a robust, water-proof light for increased visibility. The Cygolite Dash Pro– 600 Lumen Bike Light is one of the best ones to get.
• Hydration pack : For longer as well as shorter rides, it can be a huge perk to have easy access to water. The CamelBak Skyline LR 10 has a 10 liter capacity with 3 liters reserve. It is also designed to move the weight down the back in order to prevent uncomfortable shifting. There are plenty more options available with more water storage, should you need it.
• Trail-side multi-tool : The Topeak Mini 20 Pro Mini Tool has 23 functions you may need at any time on the road. If your bike tires are not tubeless, which most budget bikes will not be, a mini-bike pump and patch kit can also be a lifesaver.
• Kickstand : This may sound basic for experienced riders, but if you use your bike for commuter purposes or in and around town, not having a kickstand can be a huge inconvenience. Some mountain bikes do not come standard with them, so be prepared to add (or upgrade) a kickstand if you need one.

1 thought on “Trek Marlin 5 Review: Worth the Money?”

I was looking to get a new bike to replace my Prague E-bike and after looking around the Trek Marlin 5 came up with excellent reviews. The bike was available for purchase at Holland’s bike shop in Coronado. I took it for a test ride and decided to go with it. I highly recommend this bike for commuting and nothing else.

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Review Of Trek Marlin 5: Budget-Friendly MTB for Beginners

T rek Marlin 5 is a phenomenal, trail-ready 29er that costs little and gets the job done on different types of surfaces, including paved and unpaved roads.

Beginner riders are often faced with a tough dilemma — purchase a versatile and comfortable city bike to commute or a real MTB to have fun and embark on off-road adventures.

With Trek Marlin 5 Gen 2 , you can do both. This 29er has the ruggedness of a true trail-blazer but has the ability to double as an everyday workhorse to take on short urban commutes.

One of Marlin 5’s biggest advantages is the low price. This bike costs just $720 , which puts it in the budget category. Still, there’s a lot to be excited about even with such an attractive price.

Trek Marlin 5 Quick Overview

Marlin 5 main features, is trek marlin 5 the right choice for you, verdict: worth the money (or not), trek marlin 5 (2022).

Marlin 5 is characterized by an excellent off-road-ready aluminum frame, cushy front suspension, burly wheels and tires, hydraulic disc brakes and a lot more.

It’s one of the best-valued models from the Marlin series, offering multiple improvements compared to the lower-priced Marlin 4. Some of these are better brakes, better hubs, and a better bottom bracket.

It’s an entry-level bicycle, most suitable for beginner riders who plan to do a little bit of everything and too much of nothing.

• Frame : Alpha Silver Aluminum
• Fork: SR Suntour XCT 30, 100 mm
• Front Derailleur: Shimano Altus M315
• Rear Derailleur: Shimano Altus M310
• Brakes: Tektro hydraulic disc, 160/160mm rotors
• Rims: Bontrager Connection, double-wall
• Tire Size: 27.5″ / 29″ x 2.20″
• Weight: 13.97 kg / 30.81 lbs

See All Specs on Marlin 5 Product Page

If you have a budget of $740 to spend on your next trail bike, Marlin 5 is pretty much the most you can get in this category.

Trek is known for bikes that have good value to money, so this Marlin series model has some worthy components and does not make too many compromises.

Lightweight Alpha Silver Aluminum Frame

Trek Marlin 5 has the same Alpha Silver Aluminum frame seen on all bikes from this lineup. It is characterized by a versatile head tube angle of 69.5 degrees. That’s a good compromise between steep and slack geometry. That means this bike will perform well in most conditions, including climbing, descending, and cornering.

Light, durable, and comfortable Alpha Silver Aluminum frame is Marlin 5’s biggest selling point, seen on other more expensive bikes from Trek’s MTB lineup.

All cables are internally routed which makes them last longer and improves the overall appearance of the bike. Riders can add a rear rack and a rear kickstand, which would make Marlin 5 ready for daily commutes as well.

You can get Marlin 5 in four modern and attractive colors: Lithium Grey, Radioactive Red, Volt to Miami green fade, and Azure. They’re beautiful!

Springy SR Suntour Fork

Marlin 5 is equipped with a low-ranked SR Suntour XCT 30 fork with a coil spring. This fork is quite heavy but beginner riders without too much off-road experience will like it because it provides plenty of comfort.

When it comes to adjustability, just the preload function is available, so you can dial the fork to your liking and ensure a more comfortable ride and better responsiveness.

It’s important to note that the XS frame size comes with 80 mm of travel, whereas all other frame sizes have 100 mm of travel in the fork.

Best Feature: Hydraulic Disc Brakes

The feature that will make all Marlin 5 owners happy is the hydraulic disc brakes . This is the biggest improvement compared to the cheaper Marlin 4 which comes with mechanical disc brakes.

Hydraulic disc brakes present a major increase in stopping power and precision . They require less strength input from your fingers but offer more braking power output.

Trek has gone a step further and equipped the smaller frame sizes with short-reach brake levers to accommodate short riders with smaller hands.

Delicate Shimano Derailleurs

The main points of improvement on Trek Marlin 5 are its derailleurs. Compared to the previous releases, Marlin 5 has Shimano Altus components

Depending on how you take care of them, they might last you for years and miles to come. However, if you’re not careful and you shift under tension or you fall off your bike and smash them, they might give you some headaches.

Still, that’s not something an average rider planning to take Marlin 5 out on weekend adventures and weekday commutes should worry about. Plus, updating to higher-value Altus, Acera, or Alivio groupsets is not a big investment.

Beefy Bontrager Wheels and Tires

Last but not least, the beefy Bontrager wheels and tires are some of the first things you will notice on your Marlin 5. The 13.5″ and 15.5″ sized frames come with 27.5″ wheels, whereas all larger frames come with 29″ wheels.

The wheels are Bontrager Connection. They have 32 spokes, so they are quite strong, and they’re double-walled which means they can withstand some beating.

The Bontrager XR2 tires are 2.20″ wide on 27.5″ wheels. However, when it comes to 29″ wheels, the rear is narrower at 2.0″.

These wheels and tires are a bit heavier than ideal , but once you get them going, they’ll take you wherever you direct the handlebars.

Geometry & Sizing Table

We especially like it because it’s good at more than one thing.

Trek Marlin 5 is not strictly a trail-specific bike that would feel sluggish in all other settings. It’s equally efficient on both paved roads and dirt roads.

However, its wide tires, massive wheels, and capable hydraulic disc brakes still make it more suitable for riders who plan to spend more time in forests and on mountains than on smooth city streets.

Other Marlin Models

• Marlin 4 – MSRP $630 – Has a lightweight aluminum frame, 21 gears, 100 mm of front suspension, and strong mechanical disc brakes.
• Marlin 5 – MSRP $740 – Combines a light aluminum frame, plush SR Suntour suspension, entry-level Shimano drivetrain, and powerful hydraulic disc brakes in a good-looking trail package. Men and women-specific models available.
• Marlin 6 – MSRP $850 – This model is built with an Alpha Silver Aluminum frame, a 1×10 mid-range Shimano drivetrain, burly tires, and comes with 100 mm of front suspension travel with lockout. It’s available in men’s and women’s versions.
• Marlin 7 – MSRP $1,030 – Trek’s race-worthy model with an Alloy frame, superior RockShox front suspension, quality 1×10 drivetrain, Shimano components, and improved Shimano hydraulic disc brakes.

To the right buyer, Trek Marlin 5 is definitely worth the money . This is a lot of bike for just $740, specifically when it comes to the components. The hydraulic disc brakes increase the value of the bike, as well as the high-quality aluminum frame.

However, if you value every cent and you don’t intend to tackle steep hills or ride in wet weather, you can save and get Trek Marlin 4 with mechanical disc brakes and slightly lower-ranked hubs and bottom bracket.

Get Directly From TrekBikes.com

Or see best Trek bikes

• Alpha Silver Aluminum frame
• Powerful hydraulic disc brakes
• Good price-to-value ratio
• Attractive colors

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30 thoughts on “ review of trek marlin 5: budget-friendly mtb for beginners ”.

My wife and I just bought 2 29 inch Lithium Gray Marlin 5 Gen 2 bikes. So far so good other than a flat tire I experienced but that’s not Treks fault by any means. We like the weight and the smooth ride it has.

Trek 5 is my 1st Mountain Bike I have been riding it 3x a week Doing some hard bush trails. It really seems to handle all trails well. No one knows that my bike isnt really expensive . They all say “love your bike ” I just love my bike but will upgrade to a better Trek when I have obtained more skills. Thanks Natalie

Hi Natalie, Well as they say, a Trek is a Trek. The brand itself speaks for itself. It also depends on the kind of ride you do.

lol “my son doesn’t abuse his bike he just broke all of the most easily abused parts of it”

Hi Boknows, Sounds like a future athlete there 😉

Very helpfull!!! , thanks dude!

I am 15 and got my trek Marlin 5 a couple years ago. I have ridden some insane tracks on it and haven’t really had any issues. The only thing I’ve broken so far is the derailer hanger but apart from that nothing. I use it for riding on streets, dirt roads and mountain bike tracks of different difficulties including black diamond tracks. It is still working great and I would think of it as a good bike. I found that the seat post was originally at my good pedaling height when I got it at its lowest point but have now upgraded that to dropper.

Hi Jayden, Have you tried getting a regular maintenance check with your local bike shop? Regular maintenance check can help prolong the life of a bike 😉

I bought a 29″ blue Marlin 5 for my son’s 14th birthday 16 months ago and initially I really liked it. But, it’s been a flaming pile of broken parts since then. My son doesn’t abuse this bike (no downhill or big jumps) and mainly rides a few miles into town and occasional wheelies. Since new here’s the things that have broken on it: rear shifter cable, rear axle, right pedal stripped out of crank arm, left pedal stripped out of crank arm, rear axle again, right pedal stripped out of crank arm again and the chain broke (which pulled the rear rerailer into the spokes and ruined it). Our closest Trek dealer is an hour away so running to the bike store is a real issue but they have been pretty good about helping me out. I’m a metal fabricator and part time motocross bike mechanic so I have a good background in metals and how they should operate. I honestly feel Trek has build a cheap bicycle with metal parts using allows that aren’t appropriate and as thin as materials as possible to save weight at the cost of reliability. I just called Trek directly and we’ll see where that goes.

Hi Dough, Sorry to hear about your experience. It looks like your drivetrain and the whole groupset have issues. Usually these are the most abused parts of the bike and an upgrade to better parts will do better. However I am curious as to what they will tell you. Let me know about it. Cheers!

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