Mongoose Skid Boy's Freestyle BMX Bike with Training Wheels, 16-Inch Wheels, Grey Learn to ride a bike in style with the Mongoose Skid Boys BMX Bike, perfect for beginners and experienced riders alike. Impress all your friends in the neighborhood with this childrens bike that features a single-speed drive train for a simple ride, 16-inch tires that give great traction, and retractable training wheels. The bike is equipped with a low stand over steel frame which makes it easy for the beginner to get on and off of the bicycle. Confidence comes easy with coaster foot breaks and an alloy 2-bolt stem with 2-piece handlebars for added strength. This bike ships ready to be assembled, is ideal for riders between the ages of six and nine, has a limited lifetime warranty, and the wheels measure 16 inches.