Demeras Silver Bike Crank Silver Arm 170mm Aluminum Alloy Crank Left Single Chain Crank Arm for Bicy Mountain Road Bike, Available in Square and Rhombic Hole(Black-Rhombic Hole)

【LIGHTWEIGHT AND HIGH STRENGTH】The bike crank arm is lightweight, high strength and deformation resistance. PLEASE TO NOTE:The inner diameter of the standard square hole, please check carefully whether it is matched with your own crank before purchasing. 【EXQUISITE APPEARANCE】The bike crank arm is made of fine polish and great paint that is able to keep colorfast and stylish. Bike crank arm is light weight, stylish, flashy styling, high axial strength and compatibility. 【EASY TO INSTALL】The left hand crank arm has standard precision cutting of hole, which ensures perfect fit to bike, easy to install. What such a small product can bring you is beyond your imagination. It is really desirable! 【STANDARD PRECISION】This bike crank arm helps to ensure ultimate chain retention, increases service life, reduces friction and noise. There is no overlap between 170cm crank arm and chain ring 【WIDE APPLICATION】The bike crank arm is a nice replacement for bike repair, compatible with many bike models, suitable for road bike, mountain bike, folding bike, fixed gear bicycle, etc.