Exercise doesn't have to be a chore.. hit those fitness goals and have fun along the way with the 700c Circuit by Schwinn, a sport hybrid bike that's agile and responsive yet seriously durable. Thanks to the light aluminum fitness frame, a rigid road suspension fork and 21-speed trigger shifters, the Circuit is speedy and agile for morning commutes and weekend getaway rides. Powerful mechanical disc brakes supply crisp, efficient stopping, while light and durable alloy rims support Schwinn sport tires to keep the ride smooth as silk. Toss in a cozy Schwinn fitness seat and triple-density ergonomic handlebar grips, and your new workout routine just got comfortable. The Circuit comes with a limited lifetime warranty for as long as you own the bike. Enjoy the freedom of riding a Schwinn.