Amazon.com : BAFANG Chainring for Mid Drive Kit : 40T Chain Ring for BBSHD Mid Mount Motor, Chainwheel for Electric Bike Conversion Kits : Sports & Outdoors
Amazon.com : BAFANG Chainring for Mid Drive Kit : 40T Chain Ring for BBSHD Mid Mount Motor, Chainwheel for Electric Bike Conversion Kits : Sports & Outdoors