Bicycle Left Crank Arm Set Bike Left Crank Arm Set 170Mm Aluminium Single Speed
Bicycle Left Crank Arm Set Bike Left Crank Arm Set 170Mm Aluminium Single Speed MTB Crankset(Square Hole/Rhombic Hole). Crank arm length: 170mm. 2-Length: 170mm is the standard length, a few discs are 172.5/175 and so on.