Frameset Sizes: 18, 19.5 & 21 Frame: Alloy Hybrid Front Suspension: Zoom Alloy Suspension Fork Rear Suspension: N/A Wheels Wheels: Alloy Double Wall 36 holes Rims Tires: WANDA 700 x 35C Extra Front Wheel /rear wheel & seat post with QR Drivetrain Shifters: SHIMANO Altus EF500, 7 speed Crankset: Alloy 28/38/48T, 170mm BB Set: VP BC 73 Freewheel: SHIMANO TX 500,14-28T,7 speed Pedals: WELLGO PP Front Derailleur: SHIMANO TX510 Rear Derailleur: SHIMANO TX500D Components Seat Post: Steel 27.2 X 300 mm Handlebar: Steel 600 mm , 30mm rise Stem: ZOOM Alloy adjustable, 28.6mm Headset: VP A71 Brakeset: Front & Rear V brakes with SHIMANO Levers