Mongoose Switch Boy's Freestyle BMX Bike with Training Wheels, 18-Inch Wheels, Black Ride your own BMX for the first time, all by yourself, with the Mongoose Stun Boy's Freestyle BMX Bike with Training Wheels. A low, stand-over steel frame allows for easy access and control for young children. A foot brake allows for confidence when stopping. Styled like a pro rider's bike, this kid's bike features metal spoked wheels and black grips. An alloy four-bolt stem and four-piece handlebars adds strength for the ride. The durable chain guard helps protect from scrapes and cuts, while the removable training wheels help first-time riders find their balance at their own pace. This bike ships ready to be assembled, is ideal for riders between the ages of 8 and 10, has a limited lifetime warranty, and the wheels measure 18 inches.