EXCEPTIONAL VALUE, EXCEPTIONAL VERSATILITY - THE TREK MARLIN 5 2019 MOUNTAIN BIKE.Want to hit the trail for a quick mountain sesh after class? The Trek Marlin 5 2019 Mountain Bike is the perfect bike to get you where you need to go no matter the surface. Separate brake and shift levers give you the ability to fine-tune the positioning for comfort, while the 21 speed drivetrain give you enough gearing for any terrain and any elevation. Finally, backed by Trek's lifetime warranty, the Marlin 5 is a great entry into the mountain biking world that will serve you well for years to come. FEATURESInternal cable routing - We route shift and brake cables through the frame to keep things clean and simpleRack Mounts - Going for a long ride? Rack mounts make carrying accessories a breezeSmart Wheel Size - The right wheel size paired with your frame size gives you the perfect combination of responsiveness and controlDropper post internal routing - Not ready for an internally routed dropper post now, but want to keep your options open? Select frames are equipped with the proper entry and exit points to accommodate internal routing for a Stealth seat post.G2 Geometry - Advanced frame geometry and a custom offset fork give our 29ers precise handling at low speed without compromising high-speed stabilityAlpha Silver Aluminum - Our proprietary lightweight aluminum is continuously cold extruded to a single wall thickness for durable performanceExtended size range - A wider range of sizes than the industry standard provides more options for everyone