Frameset Sizes: 13.5" Frame: Steel Rear Suspension Front Suspension: Suspension fork Rear Suspension: N/A Wheels Wheels: Alloy 28H Rims Tires: 20 X 2.125" Extra Training Wheel, Chain Guard, Seat QR Drivetrain Shifters: N/A Crankset: Steel 40T, 140mm BB Set: Steel 5 pcs Freewheel: 18T Pedals: PP Front Derailleur: N/A Rear Derailleur: N/A Crank: Steel 40T, 140mm Bottom bracket: Steel 5 Pcs. Components Seat Post: Steel, 25.4 X 180mm Handlebar: Steel 540mm, 30mm rise Stem: Steel, 22.2mm Headset: Steel 8 pcs Brakeset: Steel "V" Brake w/Alloy Levers Grips: DC Weight: 14