electric bike motor Features: 1) Rare earth magnetism brushless 2) Rated voltage: 36 - 48V-60-72V 3) Rated power: 250 -350-600-800-1000W 4) Sizes: 10-12inch 5) Rated current: below 6A 6) Axial flow: below 0.35 7) No-load current: below 0.8 - 1.2A 8) No-load speed: 245- 365-560-750rpm 9) Efficiency: above 86% 10) Rated torque: above 5.5 - 8.0N.m,max torque :80NM 11) Special features: waterproof, low noise, steady and high efficiency performance