Overview
Direct replacement second reduction gear for the Bafang Ultra M620 motor systems. This precision-engineered component restores optimal power transfer and torque delivery when wear or damage affects your motor's performance. Compatible with Ultra M620 equipped e-bikes. Essential maintenance part for riders seeking reliable drivetrain function and extended motor lifespan.
Compatibility
| Bike Name | Compatible |
|---|---|
| Biktrix eBikes with Bafang Ultra M620 Motor | |
| Other eBikes with Bafang Ultra M620 Motor | |
| eBikes with any other Motor |









