26/ 27.5 inch are MTX39. 1 Rear Motor wheel(26/27.5/29inch). 1 Kenda Tire 1 7 speed Freewheel. 1 160mm Disc brake Rotor. 1 pair Wuxing Power cut-off Brake lever. 1 8 Magnet Pedal Assistant Sensor. 1 set Twist Throttle. 48V 1000W about 45-55km/h. 48V 1500W about 50-60km/h. Rim: Double-wall Aluminium Alloy Rim /25mm inner width. Hub Motor: 48V Brushless Non-gear Hub Motor. Rear wheel Bottom bracket: 135mm-142mm. CSC 12 mosfet controller. Fit for: 48V 1000W motor wheel, SW900 Display. CSC 15 mosfet controller. Fit for: 48V 1500W motor wheel , SW900 Display. 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. The Brand and look may be different, but same quality. Disc Brake Rotor 160mm. Your satisfaction is our top priority and we are confident that you will be pleased with our services.