Feature
.^^Size
170mm crank length. This bike crank arm can help ensure ultimate chain retention, increase service life, and reduces friction and noise
.^^Material
The crank is made of aluminum. Premium quality makes it lightweight, stylish, flashy styling, high axial strength and compatibility and durable for long time use
.^^Function
The crank is a lever connecting the Bottom Bracket and the pedal, which can transmit the pedaling force to the chain
.^^Perfect cutting
Standard precision cutting of hole, which ensures perfect fit for bike, easy to install
.^^High quality material
This bike crank arm is made of premium aluminum alloy, which is lightweight, high strength and deformation resistance, durable for long time use
.^^Exquisite workmanship
This product has fine polish and great paint, which is colorfast and stylish, as well as performs well in practical use
.^^Convenient to use
This product has 170mm crank arm length without any overlap of crank arm and chain ring bolt
.