electric bike kit&electric bicyle hub motor kit 12-28''wheel,24-48V CE,CCC,EN15194,RoHS Let's make ... things better! electric bike kit&electric bicyle hub motor kit12-28''wheel,24-48VCE,CCC,EN15194,RoHSLet's make things better ... 700C7-10KG48VKIT 7-10KGMotor:Front wheel,light,high speed,brushlessGreat hub motor,16inch 28inch wheel optional.DISC brake optionalRear wheel:180W-250W for USA&Canada ...