Tbest Element Left Crank Arm 170mm Bike Crank Arm 170mm Aluminium Alloy Left Crank Set Chain Set for MTB Road Bicycle Square Rhombic HoleRhombic Hole-Black

Features: Made of premium aluminium alloy, lightweight, high strength and deformation resistance, durable for long time use. Fine polish and great paint, colorfast and stylish. Standard precision cutting of hole, which ensures perfect fit to bike, easy to install. 170mm crank arm length without any overlap of crank arm and chain ring bolt. A nice replacement for bike repair, compatible with many bike models. Specification: Material: Aluminium Alloy Options: Black-Square Hole; Black-Rhombic Hole; Silver-Square Hole; Silver-Rhombic Hole Size: Approx. 21 x 4 x 3cm / 8.27 x 1.57 x 1.18in Hole Distance: 170mm Fit for: Left side Weight: Approx. 200-214g Package Included:    1 x Crank Arm