Bafang BBS01-02 mid crank system motor nylon gear . Each kit needs only one gear;
price is for one gear.
We now only have nylon gear for BBS01B, BBS02B
If your bbs kit is the old version(BBS01 and BBS02), this nylon gear will not fit.
How to identify your kit is new or old version? Please check the model marks on your motor, if it is marked BBS01 or BBS02, then it is the old version; if it is marked BBS01B or BBS02B, then it is the new version kit.
FIRST CLASS SIGNED FOR DELIVERY INCLUDED IN PRICE UK