Bafang BBS01 BBS02 Chain Wheel Chain Ring 42T Aluminium Alloy Black/Blue/Red

Suitable Motor: Bafang Mid-drive BBS01 BBS02. Specification of 42T Chainwheel Teeth Quantity: 42T (Positive and Negative Tooth Design). Material: Aluminium Alloy 6061 T6. Speed: 6/7/8/9/10/11 speed chain.

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