250W Electric Kit Bike Left Chain Drive Customized Geared Bicycle Derailleur. This item doesn't include battery or charger. And please see above installation video before you order this item. This is our newest kit for electric common bike, this kit mounts the sprocket on the wheel spokes, so it fits most of bicycle wheel.
Motor use freewheel so when wheel rotating, the motor will not rotate, just like a normal bike, this can reduce resistance. This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Electric Bicycle Components". The seller is "101_gadgets" and is located in this country: CN. This item can be shipped worldwide.