Frameset Sizes: 18" Frame: Steel Hardtail Front Suspension: ZOOM Front suspension, 50mm Rear Suspension: N/A Wheels Wheels: Alloy 36H Rims Tires: 26 X 2.125" Extra Seat post with QR Drivetrain Shifters: SHIMANO RS35, 6 speed Grip Crankset: Steel 40T, 170mm BB Set: Steel 5 Pcs Freewheel: SHIMANO TZ20 14-28T, 6 speed Pedals: PP Front Derailleur: N/A Rear Derailleur: SHIMANO TX300B Components Seat Post: Steel 25.4 X 300mm Handlebar: Steel 580mm,30mm rise Stem: Alloy, 28.6mm Headset: Steel 1-1/8" threadless Brakeset: Steel "V" Brake w/PP Levers Grips: DC Weight: 16.5