This item is for most type of bikes like mountain bike, road bike, normal bike, etc.
Please note it compatibles with 68mm to 73mm bottom bracket only! This item include:
1). 1 x Brushless motor
2). 1 x Motor mount
3). 1 x Bottom bracket axle (68mm to 73mm)
4). 2 x Chain wheel (38T and 44T)
5). 2 x Crank (left side and right side)
6). 1 x Throttle
7). 1 x Controller
8). 1 x Chain
Note: this kit without battery and battery charger .
