Schwinn Bonafide Mens Mountain Bike, Front Suspension, 24-Speed, 29-Inch Wheels, 17-Inch Aluminum Frame, Matte Black/RedBrand: Schwinn Color: Matte Black Red Features: The Schwinn bonafied mountain bike features an aluminum mountain frame and a powerful Schwinn suspension fork that soaks up bumps and thumps to provide you with a fun, durable riding experience 24 speed Shimano EZ Fire trigger shifters and front and rear Shimano derailleurs make gear changes easy and smooth Front and rear mechanical disc brakes provide crisp all condition stopping out on the trail;