Bosch O-ring BDU4XX / BDU37YY / BDU31YY / BDU34YY / BDU38YY
Manufacturer: Bosch
Product Code: 1270016119
Bosch O-ring – original seal for attaching the spider and front chainring to Bosch eBike System 2 and Smart System motors.
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Bosch O-ring BDU4XX / BDU37YY / BDU31YY / BDU34YY / BDU38YY
Product number: 1270016119 | EAN: 4054289000783 | Alternative number: 2123080
Original Bosch O-ring for securing the motor spider and front chainring on electric bikes. The O-ring is typically replaced during service or chainring changes when the lockring has been removed.
This seal ensures a proper fit and protects the motor components from dirt and moisture. Compatible with various Bosch e-bike motors.
Compatibility:
- BDU4XX
- BDU37YY
- BDU31YY
- BDU34YY
- BDU38YY
Technical specifications
- System: Bosch eBike System 2 / Bosch Smart System
- Use: Securing the spider and front chainring
- Original Bosch spare part
Included in delivery
- 1 × Bosch O-ring
Recommended replacement during service when removing the front chainring or spider from a Bosch e-bike motor.
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