Note: 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. SPECIFICATION: Material: Aluminium Alloy Material Options: Black-Square Hole; Black-Rhombic Hole; Silver-Square Total Length: Approx. 20.5cm / 8.07in Hole Distance: 170mm Fit for: Left side Weight: Approx. 200-214g Package Included: 1 x Crank Arm