Frameset Sizes: 18″ & 19.5″ Frame: Alloy Hardtail Front Suspension: ZOOM Front suspension, 50mm Rear Suspension: N/A Wheels Wheels: Alloy 36H Rims Double wall Rims Tires: 26 X 2.10" Extra Front Wheel & Seat post with QR Drivetrain Shifters: SHIMANO EF500, 7 Speed Crankset: Steel 24/34/42,170mm BB Set: Kenli Sealed Cartridge Freewheel: SHIMANO TZ21 14-28T, 7 speed Pedals: PP Front Derailleur: SHIMANO TY500 Rear Derailleur: SHIMANO TY300D Components Seat Post: Steel 27.2 X 300mm Handlebar: Steel 640mm,30mm rise Stem: Alloy, 28.6mm Headset: Steel 1-1/8" threadless Brakeset: Steel “V” Brake w/Shimano levers Grips: HL Weight: 15