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Trek Marlin 4

Trek Marlin 4
  • Color: Green-light
  • Color: Green-light
  • Color: Matte Quicksilver
  • Color: Matte Quicksilver
$439.99 - $469.99
$449.99 - $469.99
This item is not permitted to be shipped, however it can be purchased online and picked up at your convenience.


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.

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.

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
- The flat mountain-style handlebar and disc brakes keep you in control, on or off the trail
- Rack and fender mounts make it easy to accessorize, so your mountain bike can double as a rugged commuter
- Backed by Trek's limited lifetime warranty

Part Numbers

Option UPC MPN Store SKU
Green-light / 13.5-inch / 27.5-inch 601479649075 548469 MAR24765213T
Matte Quicksilver / 13.5-inch / 27.5-inch 601479648993 548461 MAR30368820R
Green-light / 15.5-inch / 27.5-inch 601479649082 548470 MAR24379850T
Matte Quicksilver / 15.5-inch / 27.5-inch 601479649006 548462 MAR30224918R
Green-light / 17.5-inch / 29-inch 601479649099 548472 MAR22299658T
Green-light / 18.5-inch / 29-inch 601479649105 548473 MAR22363695T
Green-light / 19.5-inch / 29-inch 601479649112 548474 MAR22152691T
Green-light / 21.5-inch / 29-inch 601479649129 548475 MAR22267863T
Green-light / 23-inch / 29-inch 601479649136 548476 MAR21345940T
Matte Quicksilver / 17.5-inch / 29-inch 601479649020 548464 MAR28137248R
Matte Quicksilver / 18.5-inch / 29-inch 601479649037 548465 MAR28491693R
Matte Quicksilver / 19.5-inch / 29-inch 601479649044 548466 MAR28210340R
Matte Quicksilver / 21.5-inch / 29-inch 601479649051 548467 MAR28519966R
Matte Quicksilver / 23-inch / 29-inch 601479649068 548468 MAR27671509R