This tool is used to remove the chainring locking rings for BOSCH BDU3XX and BDU4XX motors.
It is used with a 32 mm open-end spanner or 3/8'' square spanner. It is compatible with the following motors: - Active Line (BDU310) - Active Line Plus (BDU350)- Performance Line Cruise (BDU365)
- Cargo Line Cruise (BDU450 CX)
- Cargo Line Speed (BDU490 P)
- Performance Line Speed (BDU490P)
- Performance Line CX (BDU450 CX)