Frameset Sizes: 13" Frame: Steel Full Suspension Front Suspension: Suspension fork Rear Suspension: Alloy/Steel, 550LB Wheels Wheels: Alloy 36H Rims Tires: 20 X 2.125" Extra Chain Guard, Rear Derailleur Guard, Seat QR Drivetrain Shifters: SHIMANO RS35, 6 speed Grip Crankset: Steel 1 Piece 40T BB Set: Steel, 10 pieces Freewheel: SHIMANO TZ20 14-28T, 6 speed Pedals: PP Front Derailleur: N/A Rear Derailleur: SHIMANO TY21SSB Crank: Steel 40T, 140mm Bottom bracket: Steel 10 Pcs. Components Seat Post: Steel, 25.4 X 200mm Handlebar: Steel 560mm, 30mm rise Stem: Steel, 22.2mm Headset: Steel 8 pcs Brakeset: Steel "V" Brake w/Alloy Levers Grips: TCW Weight: 15