One Pair 170mm Bicycle Crank Arm For Electric Folding Hybrid Mountain And Road Bikes, Heavy Duty Alloy, High Strength, Durable Replacement, Mid Drive Compatible, Clean Up Your Pedal Stroke

170mm Mid-Drive Crank Arm for Electric & Hybrid Bikes
✔️ 170mm crank arm, heavy duty alloy, mid-drive compatible.

This 170mm crank arm is designed for Tongsheng mid-drive motors and is a sturdy replacement for electric folding, hybrid, mountain, and road bikes. It’s easy to install and helps restore pedal stroke and crank alignment during maintenance or upgrades.

✅ Material: high-strength alloy for durability
✅ Dimensions: 210 mm x 38 mm (8.27" x 1.50")
✅ Weight: approx 450 g
✅ Color: Black
✅ Compatibility: Tongsheng mid-drive motor
✅ Easy to install on compatible frames

💡 What is a 170mm mid-drive crank arm used for in electric bikes?

It's a handy replacement that helps restore a smooth pedal stroke and proper crank alignment on mid-drive systems.

- Suitable for mid-drive bikes with 170mm crank arms - Durable alloy for long life - Easy to install with standard bike tools - Maintains crank alignment for efficient pedaling