Golden Cycles Fixed Gear Bike Steel Frame with Deep V Rims-Collection, Hammer, 59 Frame: High tensile steel fully tig-welded fork: 1-1/8" steel fork Headset: 1-1/8" neck headset handlebar: Alloy custom riser bars Chairing crank: Alloy 46t bottom bracket: Sealed bearing 68mm Wheels: 45mm deep alloy rims hubs: 32hole sealed bearing flip flop hub Tires: 700c x 25 kenda brakes: Front radius forged alloy pedals: Bmx platform