WR-TEAM 72V 27.5'' 60A Controller Rear wheel Electric Bikes Conversion Kit Hub Motor, Electric Bicycle Motor,E-bike Cycling Hub with Controller, UKC1 Screen,Bike Conversion Tool Kit 7-speed Cassette

[Powerful Rear Wheel Motor]: Powerful 72V 60A Controller brushless gearless hub motor - low noise and low maintenance. Wheel Size: 27.5" x 27.5" x 1.95"; Wheel Axle Length: 210 mm; Rear dropout spacing: 135 mm; Motor Torque: 45 N.M. Recommended battery capacity:not less than 72V 20Ah.Suitable for delivery job,commuting, outdoor cycling, off-road exploration, and cargo transportation 【Fast Speed】: We use brushless gear series hub motor in our electric bike conversion kit, the maximum speed can reach 25km/h(can set), you can adjust the speed by rotating the wheel, which brings you unprecedented riding experience. [Sine Wave Controller]: Our conversion kit includes a 72V 60A controller, which is up to 82% efficient, saving you a lot of power. In addition, the brushless gear motor produces low noise when in use, creating a quiet riding environment 【Easy to Install】: This bike conversion kit is simple in structure and comes with a full range of accessories. You just need a few simple steps to install it successfully, very easy and convenient. [High Quality Customer Service]: We have a professional customer service team and engineering technical support, 7 x 24-hour online service.We offer a 6-month warranty on hub motors. All other components are under a 3-month warranty