About 40-50km/h 325-331RPM 57.5-59NM. (different wheel size, road&weather condition and rider's weight will have different speed).
Rim:Double-wall Aluminium Alloy Rim. Motor Brake Type:V/Disc Brake. Controller Type: Brushless Motor Controller.
250W use KT 15A controller. 350W use KT 15/17A controller. 500W use KT 22A controller. 48V 1000W use KT 30A controller. 72V 3000W use KT 50A controller.250W motor default P19D Rim (Fit 1.5-1.95 Bike Tire). 350W motor default P19D Rim (Fit 1.5-1.95 Bike Tire). 500W motor default P19D Rim (Fit 1.5-1.95 Bike Tire). 1000W/3000W motor default P25 rim (Fit 1.75-2.125 Bike Tire).
If you have special requirements, please cont. 1 Motor wheel(Front or Rear). 1 pair Power cut-off Brake lever. 1 8 Magnet Pedal Assistant Sensor. Gifts: 1 Controller Bag(not battery) +1Install cable ties and stretch film+1Installation Manual.