Marlin 4 Mountain Bike - Lightweight Aluminum Frame, 21-Speed Gears for Trail Riding & Outdoor Adventures | Perfect for Commuting, Fitness & Off-Road Cycling

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 a great bike for new trail riders and campus commuters alike.

• Marlin Gen 2 is ready to roll with easy to use features that help you get the best bang for your buck
• Rack and fender mounts make it easy to accessorize, so your mountain bike can double as a rugged commuter
• Smaller frame sizes (XS and S) have short-reach brake levers that make it easier and more comfortable for riders with smaller hands to brake confidently
• Marlin models in XS and S frame sizes have a curved top tube and a lower standover height that makes it easier for smaller riders to mount and dismount
• Like every model in the Marlin family, it's backed by Trek's lifetime warranty