1. motor type: BLDC hub motor with larger slot stator
2. Motor design: twin off-axis with 12-inch rims
3. rim size: 3.5x12
4. Tires: 130/70-12
5. magnet height: 45mm
6. Lamination: 0.35mm
7. Number of rod pairs: 24 pairs
8. Rated power: 5000W
9. Rated voltage: 48V 60V 72V
10. Maximum speed: 80KPH (30-90KPH customized)
11. Maximum no-load speed: 900RPM (customized)
12. Maximum torque: 200N.M
13. Maximum operating current: 90A
14. Maximum Efficiency: 88%
15. Brake Type: Disc Brake
16. Mounting rear fork width: 200mm
17. Bearing type: 6206/6205 
18. Phase line cross section: 10mm2
19. Hall sensor phase angle: 120 degrees
21. Maximum operating temperature: 80-120 degrees, peak 150 degrees
22. Waterproof rating: IP66
24. Northwest/G... Weight ： 17kgs / 18kgs
25. Package size: 44*43*34CM