1. motor type: BLDC hub motor with permanent magnet
2. Motor design: dual-axis with 13-inch rims
3. rim size: 3.5x13
4. matching tires: 120/70-13,130/70-13
5. magnet height: 35mm
6. Number of pole pairs: 16 pairs
7. Rated power: 2000W
8. Peak power: 4000W
9. Rated voltage: 48V / 60V / 72V
11. Maximum torque: 190N.M
12. Maximum Efficiency: 90%.
13. Continuous current: 60A at 37V
14. Maximum current: 70A
15. Brake Type: Disc Brake
16. Width of mounted rear fork: 200mm
17. Hall sensor: two sets of Hall sensors (Model: SS413F)
18. Winding frame material: aluminum
19. Phase line cross section: 10mm2
20. Hall sensor phase angle: 120 degree
21. Temperature sensor: KTY83-122 22.
22. Maximum operating temperature: 70-120 degrees, peak 150 degrees 23.
23. Waterproof rating: IP66
24. Working system: S9
25. Cooling method: natural
27. NW/G. Width : 22kgs / 23kgs
28. Packing size ：44*43*34CM
