This dedicated motor shaft sealing ring is custom manufactured for Bafang mid-drive central motors, a necessary maintenance spare part to fix oil leakage, water and dust intrusion faults.

Bafang M510, M560, G522, G5300 mid drive electric bike motors

✅ High-density wear-resistant nitrile rubber material, excellent oil resistance and aging resistance

✅ Precise dimensional opening, perfect fit motor shaft and housing, no loose fit or deformation

✅ Effective blocking gearbox lubricating oil leakage, stops rainwater, mud and dust entering motor interior

✅ High elasticity, resistant to long-term motor rotation friction, long service life

✅ Direct replacement for old damaged seals, no modification needed during maintenance

Used for Bafang mid motor overhaul maintenance, oil leakage troubleshooting repair, e-bike repair shop spare parts stocking, after-sales maintenance matching for finished electric bicycles.