Square Hole Ebike Crank Arm Forged Alloy 6061 For Mid Mounted Motors 127mm 140mm 152mm 160mm 165mm 170mm 175mm Beefy High Strength Durable Torque Ready Replacement
✔️ 6061-T6 forged aluminum, square taper, 127-175mm sizes, pair
This item is a forged aluminum crank arm pair for ebikes with mid-mounted motors, designed to replace worn or broken arms. It’s typically used on mid-drive electric bicycles to connect pedals to the drive system and transfer pedal torque to the chain.
✅ Material: Forged Aluminum Alloy 6061-T6
✅ Crank arm lengths: 127mm, 140mm, 152mm, 160mm, 165mm, 170mm, 175mm
✅ Spindle interface: Square taper
✅ Includes left and right crank arms with mounting screws
✅ Compatible with ebike mid-mounted motors
✅ Pack: 2 arms
💡 What is a square hole crank arm used for on ebikes? A simple explanation follows: - It fits square-taper spindles on mid-drive e-bikes - Transfers pedal power to the chainring and drivetrain - Requires correct left/right installation and matching hole orientation - Check compatibility with your motor and crankset before buying
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