Technical Support
Learn about assembling your bike, troubleshooting, technical help and more.
Programming Bafang mid-drive Motors - BBS02, BBSHD, Ultra (M620, G510)
Advanced Section
- How to replace a bike umbilical
- Attaching Armageddon Light to RST Fork
- Dualizer Troubleshooting
- How to change Speed Sensor on BBS02/BBSHD Motor
- How to prepare your Bike for Programming?
- How to change Speed Sensor on Ultra Motor
General Bike Maintenance
- Hydraulic Brake Burping
- Tire and Rim Compatability
- Brake Mount Guide
- Opening Battery Port on a bike to check wires
- Replacing Reention Dorodo Battery Lock
- Brake Bleeding Kits
Display/Controls FAQ
Miscellaneous
- Troubleshooting Armageddon Light
- Troubleshooting a dead bike
- Ultra Motor "clunking" when going backwards
- How to measure length of the steerer tube for fork replacement
- Motor Noise Levels*
- How to Disconnect The Gear Sensor on an Ultra Motor Bike
Juggernaut Ultra/Ultra FS: how tos
Stunner: How tos
Stunner LT
- Stunner LT Cadence Sensor Replacement DIY
- Stunner LT S830 Display Settings
- Stunner LT Error Codes
- Stunner LT: Debugging
- Stunner LT: M5 Display settings
- Stunner LT: Inconsistent PAS fix