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2018

Marlin 4

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$439.99 Model 1010600-2018
Marlin 4 is the perfect gateway to trail riding. It's ideal for new riders who want a mountain bike with knobby tires that can double as a rugged commuter. Disc brakes, front suspension, 21 speeds, and mounts for a rack and fenders make this versatile ride an excellent entry point for new trail riders and campus commuters alike.
Marlin 4 is the perfect gateway to trail riding. It's ideal for new riders who want a mountain bike with knobby tires that can double as a rugged commuter. Disc brakes, front suspension, 21 speeds, and mounts for a rack and fenders make this versatile ride an excellent entry point for new trail riders and campus commuters alike.
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It's right for you if...

You want an introductory mountain bike at an incredible price, but also want a commuter that's rugged enough to hop curbs on the way to class. Disc brakes, knobby tires, and 21 speeds make Marlin 4 a great choice.

The tech you get

Marlin 4 has 21 speeds with a wide range of gearing for easy riding on varied terrain. It's modeled after our higher-end mountain bikes and built with a lightweight Alpha Aluminum frame, mechanical disc brakes for increased stopping power in any weather conditions, and a suspension fork with 75mm of travel—just enough to absorb the big bumps and keep you cruising.

The final word

Marlin 4's greatest gift is its versatility. It's built in Trek's mountain bike heritage and totally capable of taking on the trails. But it's an efficient daily rider, too. The rack and fender mounts make it a great choice for commuters who want to get a little rad on the way to class or the grocery store.

The Walkthrough

favorite_borderWhy we 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. Rack and fender mounts make it easy to accessorize, so your mountain bike can double as a rugged commuter
  4. Backed by Trek's limited lifetime warranty

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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
    SR Suntour M-3030, coil spring, preload, 75mm travel
  • Wheels

    Front Hub
    Formula DC20 alloy
    Rear Hub
    Formula DC31 alloy
    Rims
    Bontrager Connection 32-hole double-walled
    Tires
    Bontrager XR2, 29x2.20˝ (13.5 & 15.5: 27.5x2.20˝)
  • Drivetrain

    Shifters
    Shimano Altus EF500, 7 speed
    Front derailleur
    Shimano Tourney TY500
    Rear derailleur
    Shimano Tourney TY300
    Crank
    Shimano Tourney TY301, 42/34/24
    Bottom bracket
    Sealed cartridge
    Cassette
    Shimano TZ21 14-28, 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 M280 mechanical disc
  • Weight

    Weight
    17.5" - 14.15 kg / 31.20 lbs
    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

Proper bike fit is essential for best performance and comfort. Any size and geometry measurements shown on trekbikes.com are for general comparison purposes only. To find your perfect fit, visit an authorized Trek retailer, where an expert skilled at sizing will help you find the appropriate bike and size for your individual needs.

 

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 facetWheelSize3 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 facetWheelSize3 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 facetWheelSize4 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 facetWheelSize4 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 facetWheelSize4 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 facetWheelSize4 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 facetWheelSize4 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