Front and Rear Peg Set Chain Guard Full Rotation Handlebars Front caliper rear V brakes High Tensile Steel Frame Toys'R'Us is the exclusive home for great deals on durable and economical kid's bikes and adult bicycles from Avigo. From the first ride-on training wheels to perfecting BMX stunts, Avigo girls and boys model bikes come in all of today's coolest styles as well as traditional designs at the right price for growing children. Built with the latest bicycle safety features, long-lasting quality and trademark Toys'R'Us money saving value, there is an Avigo bike just waiting for you to get on and ride! Size 20 bikes are suitable for riders with an inseam of 26" - 30". To measure your inseam stand straight and flat footed on the floor. Use a measuring tape to get the length of your inside leg measurement, or inseam.