This Wildtrak urban bicycle, with 20" wheels and six speeds, has a 15" frame and comes in an elegant gray color Includes powerful mechanical disc brakes, with adjustable reach brake levers and Hi-Riser handlebar The folding handlebar stem that facilitates storage, the full fenders, and the adjustable Urban type saddle and seat post make it easy to adjust the riding position 20" alloy wheels with 20" X 1.75" City Urban type tires. This Wildtrak urban bicycle with 20" wheels is delivered 80% assembled. Before riding the bicycle, it is necessary to: inflate the tires, adjust the pedals, handlebar and stem, seat post and saddle, as well as adjust the brake cables. Tools and complete instructions are included with the bicycle to guide you through each process. You will need a pump to inflate the tires