Bafang BBS01 BBS02 Pinion gearbox

Original Bafang spare part for the Bafang BBS01 and BBS02 retrofit motor. There are different versions of this design – simply refer to the product photos.

• Version A with 10 mm diameter for older models
• Version B with 12 mm diameter

We also recommend replacing the main gearbox if it is worn.

You can recognize the difference between motor version A and B on the controller:

Data sheets for download: