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Trek Marlin 5

Trek Marlin 5
  • Color: Dark Aquatic/Trek Black
  • Color: Trek Black/Lithium Grey
  • Color: Factory Orange/Lithium Grey
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This item MAY be purchased online and picked up at your convenience in any of our three retail locations. If this is a class or a donation, there is no need to pick up anything.


Marlin 5 is a trail-worthy daily rider that's perfectly suited for everyday adventures, on and off the trail. A suspension fork, 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.

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 shift cable and brake hose routing to protect your cables and add to the bike's sleek look, 21 speeds, a wide range of gearing so you always have the right gear for your terrain, powerful hydraulic disc brakes, and a suspension fork that takes the edge off bumps and rough terrain.

The final word
It’s built in Trek's MTB heritage, so you get 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 (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 XS and 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

Will my bike have a curved top tube?

Smaller frames (XS and 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 ML) have a straight top tube because taller riders with longer legs typically don’t have the same issues with standover height.


Frame Alpha Silver Aluminum, internal routing, chainstay disc brake mount, rack and kickstand mount
Fork X-Small: SR Suntour XCE 28, coil spring, preload, 42mm offset for 27.5'' wheel, 80mm travel
Small: SR Suntour XCE 28, coil spring, preload, 42mm offset for 27.5'' wheel, 100mm travel
Medium – XX-Large: SR Suntour XCE 28, coil spring, preload, 46mm offset for 29'' wheel, 100mm travel
Headset Semi-integrated, 1-1/8"
Axles Front: 100 x 5mm QR
Rear: 135 x 5mm QR
Rims/Wheels Bontrager Connection, double-wall, 32-hole, 20mm width, Schrader valve
Hubs Front: Formula DC-20, alloy, 6-bolt
Rear: Formula DC-27, alloy, 6-bolt, 7sp freehub
Spokes 14g, stainless steel, black
Tires Bontrager XR2 Comp, wire bead, 30 tpi
Crankset Shimano Tourney TY301
Chainrings 42/34/24T
Bottom Bracket VP BC73, 73mm, threaded cartridge
Chain KMC Z7, 7 speed
Front Derailleur Shimano Tourney TY300, 34.9mm clamp, down swing, down pull
Rear Derailleur Shimano Tourney TY300, long cage, 34T max cog
Cassette/Rear Cogs Shimano HG200, 12-32, 7 speed
Shifters Shimano Altus M315
Handlebars Bontrager alloy, 31.8mm, 5mm rise
Tape/Grips Bontrager XR Endurance Comp, lock-on
Stem Bontrager alloy, 31.8mm, Blendr compatible, 7 degree
Brake Levers Tektro HD-M276 hydraulic disc, short reach
Brakes Tektro HD-M275 hydraulic disc
Pedals VP-536 nylon platform
Saddle Bontrager Arvada, steel rails, 138mm width
Seat Post Bontrager alloy, 31.6mm, 12mm offset, 330mm length

* Subject to change without notice.


Part Numbers

Option UPC MPN Store SKU
Dark Aquatic/Trek Black / X-Small / 27.5-inch 601842388464 1046375 MAR32793154K
Dark Aquatic/Trek Black / Small / 27.5-inch 601842388457 1046376 MAR31749279K
Dark Aquatic/Trek Black / Medium / 29-inch 601842388440 1046377 MAR3051952K
Dark Aquatic/Trek Black / Medium/Large / 29-inch 601842388433 1046378 MAR31884753K
Dark Aquatic/Trek Black / Large / 29-inch 601842388426 1046379 MAR30902251K
Dark Aquatic/Trek Black / X-Large / 29-inch 601842388419 1046380 MAR31133475K
Dark Aquatic/Trek Black / XX-Large / 29-inch 601842388402 1046381 MAR32623163K
Trek Black/Lithium Grey / X-Small / 27.5-inch 601842388532 1046368 MAR32419573Y
Trek Black/Lithium Grey / Small / 27.5-inch 601842388525 1046369 MAR31833742Y
Trek Black/Lithium Grey / Medium / 29-inch 601842388518 1046370 MAR3084183Y
Trek Black/Lithium Grey / Medium/Large / 29-inch 601842388501 1046371 MAR31498342Y
Trek Black/Lithium Grey / Large / 29-inch 601842388495 1046372 MAR30927437Y
Trek Black/Lithium Grey / X-Large / 29-inch 601842388488 1046373 MAR31235199Y
Trek Black/Lithium Grey / XX-Large / 29-inch 601842388471 1046374 MAR32854449Y
Factory Orange/Lithium Grey / X-Small / 27.5-inch 601842388396 1046382 MAR36574345Y
Factory Orange/Lithium Grey / Small / 27.5-inch 601842388389 1046383 MAR3538144Y
Factory Orange/Lithium Grey / Medium / 29-inch 601842388372 1046384 MAR34760268Y
Factory Orange/Lithium Grey / Medium/Large / 29-inch 601842388365 1046385 MAR35207400Y
Factory Orange/Lithium Grey / Large / 29-inch 601842388358 1046386 MAR34278349Y
Factory Orange/Lithium Grey / X-Large / 29-inch 601842388341 1046387 MAR35462710Y
Factory Orange/Lithium Grey / XX-Large / 29-inch 601842388334 1046388 MAR36589105Y