Quick Details
Used with rear wheel disc-rotary tooth type flywheel + hub motor, the chain center line can be flexibly and conveniently adjusted The size of the conversion sleeve is BC1.37*24*13.5, and the thickness of the adjustment washer: 1.5/2.0/2.5 can be flexibly combined according to different center distances.

 

Hub motor conversion sleeve + adjusting washer / CN4415BC00