Prowheel Bike Crank Arms, 1 Pair with Square Holes, 152mm/160mm/165mm/170mm/175mm, Alloy 6061 Black, for Electric Bikes and Bicycles

Product Description: This product is made of premium aluminum alloy for durability and long-lasting durability. These crank arms are available in six lengths (140mm/152mm/160mm/165mm/170mm/175mm) and are suitable for electric bicycles and e-bikes. A great bike accessory for most situations. Features: - Color: Black - Material: Forged Aluminum Alloy (AL-6061-T6) - Crank Coating: Sand Black - Hole Shape: A00C Square Hole - Weight: 152mm: Approx. 459g, 160mm: Approx. 524g, 165mm: Approx. 529g, 170mm: Approx. 467g, 175mm: Approx. 498g - Crank Length: 140mm/152mm/160mm/165mm/170mm/175mm - Made of premium aluminum alloy, the crank arms are strong and durable. - Spindle interface type: Square taper. Please make sure the orientation of the right crank is square. Both left and right sides have the same hole. - Suitable for electric bicycles, mid-mount motors, and torque. Note: Please confirm that the product size matches your needs before purchasing. Installation Tips: This crank arm comes in left and right. Please pay attention to the left and right sides when installing. The crank arms are marked L and R. L is installed on the left side and R is installed on the right side. L is installed on the left side and R is installed on the right side. If installed incorrectly, it will not work. Package Includes: 2 crank arms including LFET and right-hand screws. [Material] The bicycle crank arms are made of high-quality forged alloy 6061, which is sturdy and durable, with high strength, high hardness, and resistance to deformation. [Size] This crank arm is available in six lengths (140mm/152mm/160mm/165mm/170mm/175mm). Please confirm the product size matches your required size before purchasing. This crank arm can only be used on electric bicycles. [Spindle Interface Type] Square taper. Please make sure the crank is oriented squarely. Use the same holes on both the left and right sides. [Installation Tips] This crank arm is divided into left and right. Please pay attention to the left and right sides when installing. The crank arms are marked L and R. L is installed on the left side and R is installed on the right side. If installed incorrectly, it will not work. [Crank Arm Notes] If you have replaced the crank once, you will need to replace the bottom bracket when updating the crank again. The lifespan of a typical bottom bracket is only twice as long. If you encounter any problems during use, please let us know. We will help you resolve the issue and provide a satisfactory solution.