Bicycle Crank Arm Bike Crank Left Arm Aluminum Alloy Crank Arm Replacement Left Hand Crank Arm Bike Crankset for MTB Road Bicycle Mountain Bike Folding Bike Fixed Gear Bicycle Diamond Hole

Description? 1.Made of premium aluminium alloy, lightweight, high strength and deformation resistance, durable for long time us. 2.170mm crank arm length without any overlap of crank arm and chain ring bolt. 3.Standard precision cutting of hole, which ensures perfect fit to bike, easy to install. 4.Fine polish and great paint, colorfast and stylish. 5.A nice replacement for bike repair, compatible with many bike models. Specification: Type: Bike Crank Arm Material: Aluminium Alloy Spindle Interface Type: Diamond Hole Fit for: Left side Crank Arm Length: 170mm Size: About 21 x 2 x 1cm/8.2 x 0.8 x 0.4inch(L x W x H) Weight: Approx. 200g Quantity: 1Pcs Package Included: 1 x Crank Arm