1 Front or Rear motor wheel. 1 Pair Power cut-off Brake lever. 1 8 Magnet Pedal Assistant Sensor. 1 160mm disc brake. 1 7 speed thread freewheel. 1 Outside tire+ inner tire. 48V 1000W about 45-55km/h. Rim: Double-wall Aluminium Alloy Rim /25mm inner width. Hub Motor: 48V Brushless Non-gear Hub Motor. Rear wheel Bottom bracket: 135mm-142mm. This is Rear Moter wheel, it suitable the frame of your bike with dropout in 135mm-142mm, please measure your frame as picture below. CSC 12 mosfet controller Fit for: 48V 1000W motor wheel, SW900 Display Rated current: 22A, Max current: 44±1A Size: 14983.342mm. Controller Bag or box. 2.1 LCD Display. Speed indicator, PAS grades indicator, Battery indicator, Error indicator, Single Trip Distance and. Total Distance, Headlight indicator. 2.2 Parameters Setting. 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.