Chainring 40T Narrow Wide 12-Speed Kit For Bafang BBS01 BBS02

Chainring 40T 12S "Narrow Wide" for mid drive Bafang BBS01 BBS02, Offset 10.5mm.Teeth specially designed for 12-speed chain.The Refully Chainring is Made in china . Chainring 40T "Narrow Wide" for mid drive Bafang BBS01 BBS02 Offset 10.5mm .The design combines the smallest possible Drive ring (40T), whilst also maintaining the correct chainline.

This chainring is machining with CNC Machine, Made of Billet Aluminum 7075-T6 ( Aviation aluminum ) and coated with an hard-anodized finished .

the 40 tooth narrow wide is specially designed for retained the chain

.If you want to personalise your BBS equipped bike, this chainring is very light only 135 Gram instead of 340 Gram for the standard drive gear

. If you want improve performance, then the chainring might be for you.

1. 5 pcs stainless steel bolts.
2. 1 pcs Allen key .
3. 1 pcs 40T Drive ring. 

Applications:  Bafang BBS01& BBS02 motors