1 Front or Rear motor wheel. 1 Pair Power cut-off Brake lever. 1 8 Magnet Pedal Assistant Sensor. Hub Motor: 48V Brushless Non-gear (Gearless) Hub Motor. Rim: Double-wall Aluminium Alloy Rim /25mm inner width. Spoke hub: 36 hole spoke holes (hole diameter 3.2mm). Open size: 100mm (front drive)/ 135 (rear drive). Machine weight: 7.5kg. The above drawing is the size of 1000w motor. 12 MOSFET controller Fit for: 48V 1000W motor wheel , SW900 Display Rated current: 28A, Max current: 44±1A Size: 1087239. Fit for 48v1500w motor wheel , SW900 display. Rated current: 35A, max current: 70±1A. Controller Bag or box. Speed indicator, PAS grades indicator, Battery indicator, Error indicator, Single Trip Distance and Total Distance, Headlight indicator. Power on/off, Headlight on/off, 6KM/H Cruise control, Wheel size, Max speed setting, Auto stand-by and sleep mode setting, Background luminance setting, Working voltage setting. PAS sensor- 8 Magnet.