Features:Made of premium aluminium alloy, lightweight, high strength and deformation resistance, durable for long time use. _x000D_Fine polish and great paint, colorfast and stylish. _x000D_Standard precision cutting of hole, which ensures perfect fit to bike, easy to install. _x000D_170mm crank arm length without any overlap of crank arm and chain ring bolt. _x000D_A nice replacement for bike repair, compatible with many bike models. Specification:_x000D_Material: Aluminium AlloyOptions: Black-Square Hole; Black-Rhombic Hole; Silver-Square Hole; Silver-Rhombic Hole_x000D_Total Length:Approx. 20.5cm / 8.07in_x000D_Hole Distance: 170mmFit for: Left side _x000D_Weight: Approx. 200-214gNote: Pay attention to the shape of the inner hole of the crank. The hole in the middle of some cranks is diamond-shaped, and the hole in the middle of some cranks is square. Before purchasing, you need to confirm the inner shape of the original handle._x000D_Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package Included: _x000D_1 x Crank Arm 1Made of premium aluminium alloy, lightweight, high strength and deformation resistance, durable for long time use 2Fine polish and great paint, colorfast and stylish 3Standard precision cutting of hole, which ensures perfect fit to bike, easy to install 4170mm crank arm length without any overlap of crank arm and chain ring bolt 5A nice replacement for bike repair, compatible with many bike models