This product is a large wire out 6 + 1 Hall wire, customized for racing, with 3.0 wheels, suitable for 110 120 electric motorcycle tires.

Number of motor poles 20 The motor requires a flat fork opening with an inner diameter of 210 and a shaft of m18 with a square of 14.

Speed: 130km/h-170km/h 
High efficiency: 85~92% 
Waterproof rating: IP54 Protection rating