BBS01B Mid Motor 250W 48V Kit. Upgrade:Upgraded IRFB3077 mosfets controller. Four riding modes:Pure electric mode & human riding model & power assistance & push model. 4 working modes can be switched at will.
Easy Installation:Can be successfully installed into an electric bicycle in just a few time by only a few tools which can remove the crankset and the center shaft, as well as tools for installing this mid-drive motor. Universal Compatible:It's compatiable with mountain bike, road bike, racing bike ect bikes with 68-73mm bottom bracket. No Load Speed(RPM) :83-87.
Reduction Ratio: 1 : 21.9. This item is in the category "Crafts\Other Crafts". The seller is "bernadeals1" and is located in this country: CN.
This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia, Australia.