Frameset Sizes: 14.5" Frame: Alloy Hardtail Front Suspension: ZOOM Suspension fork,50mm Rear Suspension: N/A Wheels Wheels: Alloy 36H Rims Tires: 24 X 2.125" Extra Seat post with QR Drivetrain Shifters: SHIMANO EF500, 7 Speed Crankset: Steel 24/34/42T,152mm BB Set: Steel 5 pcs Freewheel: SHIMANO TZ21 14-28, 7 speed Pedals: PP Front Derailleur: SHIMANO TX50 Rear Derailleur: SHIMANO TX300D Crank: Steel 28/38/48T, 170mm Bottom bracket: Steel 5 Pcs. Components Seat Post: Steel 27.2 X 250mm Handlebar: Steel 580mm,30mm rise Stem: Alloy, 28.6mm Headset: VP Steel 1-1/8" threadless Brakeset: Steel "V" Brake w/Alloy Lever Grips: HL Weight: 14