1. Full Speed: 36V 250/350/500W about 20-35km/hour,
48V 500W about 40-50km/h,
48V 1000W about 45-55km/h,
48V 1500W about 50-60km/h,
(different wheel size, road&weather condition and rider's weight will have different speed)
2. Hub Motor: Brushless gear Hub Motor for 36V
Brushless Non-gear Hub Motor for 48V
3. Rim: Double-wall Aluminium Alloy Rim
4. Wheel Bottom bracket: Rear 135mm-142mm or Front 100mm
5. 48V Torque:25-35NM for 36v 250W 350W 500W
30-40NM for 500W 1000W
35-45NM for 1500W
6. RPM:320 for 36V 250W 350w
350 for 36V 500W
470 for 48V 500W 1000W
540 for 48V 1500W