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2018

Marlin 5

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$519.99 Model 21475
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 fenders 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.
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 fenders 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.
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It's right for you if...

You're new to the trail and want a serious mountain bike that doubles as a commuter—and you want it all at an exceptional value.

The tech you get

Marlin 5 has 21 speeds and a wide range of gearing, which means you never need to pedal too hard or easy on terrain that varies in elevation. It's equipped with hydraulic disc brakes that feel smoother than mechanical disc brakes and a 100mm suspension fork with a lockout feature—that's the same amount of travel favored by most cross country racers.

The final word

Marlin 5 is built in Trek's MTB heritage, and more than capable of taking on trail adventures. But it's also versatile. It's a popular ride on college campuses because the rack and fender mounts make it easy to accessorize and haul a load. The lockout feature on the fork lets you lock the suspension for the most efficient ride on smooth surfaces.

favorite_borderWhy you'll love it

  1. 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
  2. The flat mountain-style handlebar and disc brakes keep you in control, on or off the trail
  3. It has separate brake and shift levers (a feature that's common on more expensive mountain bikes) so you can fine-tune the positioning for comfort
  4. Rack and fender mounts make it easy to accessorize, so your mountain bike can double as a rugged commuter

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Features

Specifications

  • Frameset

    Frame
    Alpha Silver Aluminum w/semi-integrated head tube, rack & fender mounts, G2 Geometry on 29ers
    Front suspension
    RST Gila, coil spring, preload, mechanical lockout, G2 Geometry w/51mm offset on 29ers, 100mm travel (13.5: 80mm travel)
  • Wheels

    Front hub
    Formula DC20 alloy
    Rear hub
    Formula DC27 alloy
    Rims
    Bontrager Connection 32-hole double-walled
    Tires
    Bontrager XR2, 29x2.20˝ (13.5 & 15.5: 27.5x2.20˝)
  • Drivetrain

    Shifters
    Shimano Altus M310, 7 speed
    Front derailleur
    Shimano Tourney TY500
    Rear derailleur
    Shimano Tourney TY300
    Crank
    Shimano Tourney TY501, 42/34/24
    Bottom bracket
    Sealed cartridge
    Cassette
    Shimano HG20, 12-32, 7 speed
    Chain
    KMC Z51
    Pedals
    Wellgo nylon platform
  • Components

    Saddle
    Bontrager Evoke 1
    Seatpost
    Bontrager SSR, 2-bolt head, 27.2mm, 12mm offset
    Handlebar
    Bontrager alloy, 31.8mm, 15mm rise
    Grips
    Bontrager Satellite Plus, ergonomic
    Stem
    Bontrager alloy, 31.8mm, 7 degree, Blendr compatible
    Headset
    Semi-integrated, 1-1/8˝
    Brakeset
    Tektro M285 hydraulic disc
  • Weight

    Weight
    17.5" - 14.51 kg / 32.00 lbs (with tubes)
    Weight limit
    This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.
Bike and frame weights are based off Trek pre-production painted frames at time of publication. Weights may vary in final production.

Sizing & fit

The charts below show our recommended sizes based on height, but there are some other factors, like arm and leg length, that determine a great fit. That’s why you’ll see some overlap in our recommendations. Not every rider who’s 5´8˝, for example, will fit on the same size bike. The best way to find your perfect fit is to consult the experts at your local Trek retailer.

 

Rider Height

All measurements provided in cm unless otherwise noted.

Frame size number Wheel size A Seat tube B Seat tube angle Effective seat tube angle C Head tube length D Head angle E Effective top tube F Bottom bracket height G Bottom bracket drop H Chainstay length I Offset J Trail K Wheelbase L Standover M Frame reach N Frame stack
13.5 in 27.5" 34.3 73.0° 73.0° 10.0 69.0° 52.5 30.6 4.8 43.8 4.4 8.9 103.3 66.0 35.2 56.5
15.5 in 27.5" 39.4 73.0° 73.0° 10.0 69.3° 56.0 30.6 4.8 43.8 4.4 8.7 106.6 74.5 38.1 58.5
17.5 in 29" 41.9 72.5° 72.5° 10.0 69.3° 60.2 31.6 5.3 44.5 5.1 8.5 111.6 76.5 41.3 60.0
18.5 in 29" 44.4 72.3° 72.3° 10.0 69.6° 62.0 31.6 5.3 44.5 5.1 8.3 112.8 77.7 42.8 60.1
19.5 in 29" 47.0 72.0° 72.0° 10.0 69.6° 63.9 31.6 5.3 44.5 5.1 8.3 114.4 78.9 44.4 60.1
21.5 in 29" 52.1 72.0° 72.0° 12.0 69.6° 65.9 31.6 5.3 44.5 5.1 8.3 116.5 82.5 45.8 62.0
23 in 29" 55.9 72.0° 72.0° 12.0 69.6° 67.3 31.6 5.3 44.5 5.1 8.3 117.9 84.8 47.2 62.0

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