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, fenders, and kickstand 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 Silver Aluminum frame that has internal routing to protect your cables, an integrated kickstand mount, 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. - Internal cable routing makes it easy to spec your bike with upgraded trail tech, like a dropper post. - Like every model in the Marlin family, it's backed by Trek's lifetime warranty.

520 is a steel touring bike made for the open road. It's the longest-running model in our lineup, and it's built to carry you and your gear on your longest journeys. Extra mounts, an aluminum touring fork, and included headset, headset spacers, cable guides, front quick release skewer, and seat post collar, make this frameset the perfect platform for your custom adventure companion. It's right for you if... You measure the success of a ride in the number of beautiful views, and when you're not riding you're likely to be found planning your next escape. You hear the call of the open road and want a stable touring bike that's just as capable of carrying a heavy load on multi-day trips as it is on everyday rides. The tech you get A road-smoothing chromoly steel frame, alloy disc touring fork with a ThruSkew captured quick release skewer, and extra mounts for endless cargo options. The included headset, headset spacers, cable guides, and seat post collar give you a head start on building up your touring bike for your kind of adventure. The final word 520 is a comfortable steel workhorse that's capable of everything from daily rides to expedition tours. This classic ride is ready for adventure right out of the box. Why you'll love it - 520 is built to hold up, and it's super reliable over the long haul—you'll leave this bike to someone in your will - ThruSkew ensures the front wheel will never drop out unintentionally, and makes it easier to remove your wheel without removing all of your front cargo - There's no better way to see the world than from the saddle, and this is the bike that answers your wanderlust - It's the longest-running model in our lineup, and we've kept it around so long because it's one of the best-loved, too