Schwinn's Super Sport 3 is ready for all your adventures. It features Schwinn's light, nimble triple-butted aluminum frame for a lively, smooth ride. It's equipped with easy-rolling aluminum 700c wheels with quality multi-surface tires for effortless acceleration. Also a precision-shifting 21-speed drivetrain makes quick and easy work of the hills. Then, for the rides back down, you've got powerful linear-pull brakes for safety and control. And, for optimal comfort this sweet machine boasts a supportive ergonomic seat and dual-density grips.