Satisfy your thirst for adventure. With its lightweight alloy frame, sporty riding position and wide-range gearing, Catalyst lets you confidently ride any trail. 27.5-inch aluminum rims roll quickly and smoothly with Innova tires. The Shimano drivetrain provides 21 smooth-shifting speeds to conquer flats and hills, and mechanical disc brakes bring things to a stop right when you need them. Sturdy-yet-lightweight handlebars, stem, and saddle from Cannondale are everyday reliable for your jump-start into cycling.