Left Crank Arm 170mm For 9/16 Inch Pedals With Diamond Or Square Hole Interface Aluminum Alloy Construction 210mm Total Length Beefy Replacement For Mountain And Road Bikes

Aluminum Left Crank Arm 170mm For 9/16 Inch Pedals
✔️ Diamond square hole 210mm total aluminum alloy fits 9/16 pedals

This left crank arm works as a direct swap on mountain and road bikes using standard pedals.

✅ 170mm hole spacing length
✅ 210mm total length for solid reach
✅ Aluminum alloy build keeps weight down
✅ Works with diamond or square spindle holes

💡 What is a bike crank arm used for? A bike crank arm transfers your pedaling power from the pedals into the chain and drivetrain. - It links up the pedal to the bottom bracket for smooth rotation - Pick a 170mm size when you want good leverage without extra bulk - Aluminum alloy gives a handy mix of strength and lighter weight - Fits mountain and road bikes that take 9/16 inch pedals