Step up to new adventures on Trek's DS 1. The magic of the Dual Sport (DS) bike is that it handles pavement and trail excursions with equal ease, sporting a lightweight aluminum frame that delivers a comfortable, yet nimble and fun ride. Its suspension fork makes short work of bumps to reduce fatigue so you can explore more, while fast 700c wheels keep you rolling smoothly and efficiently. You'll pedal your way to meet and exceed your fitness goals with a hill-taming 21-speed Shimano drivetrain, and a pair of strong disc brakes will bring you to a safe and controlled stop in all conditions. The DS 1 also has built-in DuoTrap S compatibility, so you can to keep track of your fitness through speed and cadence. Want to add even more versatility to an already capable rig? No problem, just use the built-in mounts to add a rack and fenders for the ultimate do-all machine.