Bosch O-ring
For Performance Line Gen 4.
The original Bosch O-ring for the locking ring of drives of the Bosch Performance, Performance CX, Speed and Cargo Line of the 4th generation (model year 2020).
This is required when installing a chainring in combination with the matching Bosch circlip.
Because it is an original spare part from Bosch, it is 100% perfectly fitting.
This O-ring protects the locking ring against loosening, even when the locking ring is not fitted precisely.
Product compatibility:
Performance Line Speed (BDU4XX)
Cargo Line / Speed (BDU4XX)
Bosch Article Number: 1270016119
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