20 Inch Single Speed Freestyle Bike - 85% Pre-Assembled (Free Tools & Pedals Included), Carbon Steel Frame, Aluminum Rims, Rear Caliper Brake for Safe Riding

Easy Riding, Single Speed System Is Simple To Use Aluminum Rims,Carton Steel Frame and 20*2.125 High-performance Tires,Good Riding Experience. 85% Pre-assembled, Easy To Assemble,Free Installation Tools And Pedals Include Rear Caliper Brake ， More Secure And Faster Braking Response