Manufacturer may substitute components with components of equal or greater performance level Features: Schwinn SmartStart&trade: Geometry is designed to outsmart physics and help kids in motion stay in motion Single-speed drivetrain is simple to use and easy to maintain Includes both rear coaster brake and front caliper brake to ease the transition to a handbrake only bike when your child is ready Features removable training wheels, fenders, and a handlebar pad NOTICE: Used Bikes and/or bikes purchased online that have been assembled are non-returnable. We strongly recommend that a professional bicycle mechanic properly assembles, repairs, and maintains the bicycle. DICK'S Sporting Goods will provide free in-store assembly service by a certified technician for any bicycle purchased on our website or in our stores (proof of purchase required). If you choose to assemble the bicycle yourself, DICK'S Sporting Goods is not responsible for injuries or damages resulting from improper assembly.