Proud Cat-Fixed Gear Trick Crankset

中軸內牙48T   EURO BB

曲柄CR-MO Heat-Treated 腿長160mm

齒盤7075 AL(T6)  36T

齒盤 BB 防塵蓋 曲柄 隨意搭配

Crank:3 PCS CR-MO CRANK/160mm/Heat-Treated
Chain Wheel:36T 7075AL (T6)
Euro B.B.