Bike Crank Arm 170mm Aluminum Alloy Left Hand Crank Arm Single Speed Crankset for Bicycle Mountain Road Bike_2_

Bike crank arm is made of aluminum alloy, light weight, stylish, flashy styling, high axial strength and compatibility. 170mm crank arm length without any overlap of crank arm and chain ring bolt. Fine polish and great paint, colorfast and stylish. This left hand crank arm is suitable for road bike, mountain bike, folding bike, fixed gear bicycle, etc. Features: ?STANDARD PRECISION?Bike crank arm help ensure ultimate chain retention, increase service life, and reduces friction and noise. There is no overlap between crank arm and chain ring bolt. ?170MM CRANK ARM?170mm crank arm length without any overlap of crank arm and chain ring bolt. Fine polish and great paint, colorfast and stylish. ?HIGH AXIAL STRENGTH AND COMPATIBILITY?Bike crank arm is made of aluminum alloy, light weight, stylish, flashy styling, high axial strength and compatibility. ?WIDE APPLICATION?This left hand crank arm is suitable for road bike, mountain bike, folding bike, fixed gear bicycle, etc. Specification: Material: Aluminium Alloy Options: Black-Square Hole; Black-Rhombic Hole; Silver-Square Hole; Silver-Rhombic Hole Size: Approx. 21 x 4 x 3cm / 8.27 x 1.57 x 1.18in Hole Distance: 170mm Fit for: Left side Weight: Approx. 200-214g Package Included:    1 x Crank Arm