First Bicycle Components Co., Ltd.

Double-Chainring Square Axle Crankset

◎ Bolt circle diameter: 130mm
◎ Chainring: 53T x 39T, 52T x 42T, AL-7075 T73 (imported material)
◎ Crank arm length: 165mm, 170mm, 172.5mm, 175mm
◎ Crank arm: forged AL-6061
◎ Average weight: 700g/175mm BB not included
◎ BB: Axle Length-110mm
◎ Chainling: 43.5mm
◎ Speed: 9/10
◎ Finish: polish anodized silver/black
◎ Customed color is available

主要產品:
Bike parts,Bike Chainwheels,Bike cranks,Bicycle Lamps

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