Bike Crank Arm Set Left 170mm Arm Crank Bicycle Single Speed Crankset Bike Accessories for Mountain Bike (Slanted Hole)

• Package include: There is one pack of left arm crank set included and the orientation of this left crank arm is rhombic (slanted hole). Please check the description of the product carefully so that the crank arm is suitable for your bike.
• Size: The length of the crank arm is 170mm(6.69 inch) without any overlap of the crank arm and chain ring bolt. This bike crank arm can help ensure ultimate chain retention, increase service life, and reduces friction and noise.
• Material: The bicycle crank arm is made of premium metal, lightweight, flashy styling, high axial strength, and compatibility, durable for long time use.
• Easy to install: The bike crank standard precision cutting of hole, which ensures a perfect fit to bike, easy to install and a fine polish and great paint, colorfast and stylish.
• Function: The crank arm set is plastic coated to increase anti-scratch protection and to allow a solid texturized matt black finish, and suitable for road bikes, mountain bikes, folding bikes, fixed gear bicycles, etc.