The original Miranda chainring fits Bosch Active / Performance / Performance CX drive units from model year 2014.
Attention: The chainring is not compatible with the Bosch Active Line from 2018.
How do you change the Miranda chainring / sprocket on the Bosch Active / Performance / Performance CX motor?
- To change the chainring, the crank arm must be removed, then the sprocket can be changed using the following tool.
- Crank puller and Bosch spider / lockring tool
- In addition to the lockring tool, you need a 1/2″ ratchet to be able to drive this lockring tool.
Note: in case you have any questions regarding compatibility or availability, we invite you to contact our customer service.





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