1. Motor type: BLDC hub motor with permanent magnets
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. number of pole pairs: 16 pairs
7. Rated power: 6000W
8. Peak power: 12000W (short time)
9. Rated voltage: 48V, 60V, 72V
10. Maximum speed: 70KPH
11. Maximum torque: 250N.M
12. Maximum Efficiency: 90%
13. Continuous current: 72A at 92V
14. Maximum current : 180A at 72V
15. Brake Type: Disc Brake
16. Mounting rear fork width: 200mm
17. Winding bracket material: aluminum 
18. Phase wire cross section: 16mm2
19. Hall sensor phase angle: 120 degrees
20. Temperature sensor: KTY84-133
21. Maximum operating temperature: 70 degrees, peak 120 degrees
22. Waterproof rating: IP66
23. Northwest/G... Weight ： 20kgs / 22kgs 
24. Package Size：44*43*34CM