The brushless hub Motor,a very economic ,safe motor and low noise can realize as high as 80% efficiency. e-Bike Conversion Kits:1 Long working life (>10,000 hours)2 Low noise, high torque3 Excellent performance characteristics4 High efficiency (>80%)5 High reliability.6 Low PriceĀ· The kit includes motorized wheel,motor controller,speed throttle, power break lever, wire harnessĀ· Travel ranges: 38 ...