Genuine Bosch Lock ring (BDU4XX)


for mounting the spider with mounted chainring, O-ring 1270016119 also required

Out of stock


Product line compatibility

Perform. Line Speed (BDU4XX)
Perf/Cargo/CX/Speed (BDU4XX)

Bosch Lock Ring for motors BDU4xx:
Use for mounting the chainring to the Gen 4 motor. (Motors with code number BDU4xx)

Please note that O-ring 1270016119 will also be required and is not supplied with this part.

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