Crank Arm, Aluminum Alloy 140mm Electric Bicycle Diamond Hole Crank Lightweight Fine Workmanship Bicycle Crankset for Electric Bikes Part

Details

• 【Diamond Hole Fit】This crank leg is specifically shaped for diamond hole center shafts, ensuring a secure connection to the bottom bracket. Buyers should verify their existing crank interface matches this pattern before purchasing.
• 【Aluminum Alloy Build】Made from aluminum alloy, the crank provides structural support while keeping the overall weight low. This material of bike crank arm helps manage the forces exerted during pedaling without adding unnecessary mass.
• 【Lightweight Design】Weighing less than solid steel alternatives, this crank reduces the rotational weight of the drivetrain. A lighter crank improves the responsiveness of the bike, particularly during acceleration.
• 【Smooth surfaces Finish】The ebikes crank arm features a smooth exterior with no rough edges, protecting legs from scrapes. The precise machining of bike pedal arm ensures the mounting interface aligns correctly with the shaft for efficient power transfer.
• 【Simple Installation】The crank arm slides onto the shaft and tightens with a standard crank bolt, making replacement straightforward. This bicycle crankset allows riders to perform maintenance at home or on the go without specialized tools.