Keenso Aluminium Bicycle Crank Arm, Single Side Replacement, 170mm Length, Left Side, Durable Design, Compatible with Most Bikes, for Cycling, Fitness, and Commuting

【Exquisite Workmanship】: This bike crank arm adopts excellent manufacturing process with fine polish and great paint, which has stable performance and stylish appearance and can add a unique look to your bicycle. 【Standard Cutting】:This bicycle left crank arm with standard precision cutting of hole, which is easy to install and ensures perfect fit to bike. 170mm crank arm length without any overlap of crank arm and chain ring bolt, which is a nice replacement for bike repairing. 【Premium Quality】: This brand new crank arm is made of premium aluminium alloy material, which is lightweight and deformation resistant. It is not easily damaged, has quality and ensures high strength for long-lasting usage. 【Great Replacement】: Size: approx. 21 x 4 x 3cm / 8.27 x 1.57 x 1.18in. This 170mm bicycle crank arm is compatible with many bike models, and it is available in 2 models and 2 colors ( black-square hole; black-rhombic hole; silver-square hole; silver-rhombic hole ). 【Guarantee】: Our product have 180 days warranty, if you have any question about this product, please feel to contact us, we will try our best to help you solve your problem.