Suzhou Shengyi Motor Co., Ltd.  

Product Name: Center Motor for Mountain Bike Model NO.: CMT03 Type: Motor Trademark: Shengyi Transport Package: Seaworthy Packing Specification: 90NM Origin: China Product Description Rated Voltage: 36V/48VRated Power: 250WMax Power: 300WMax Torque: 90NMPower Assistance Ratio: 1:3-3:1Speed: 25km/hSpeed Ratio: 1:33.18Numbers of Magnets: 16 PolesEfficiency: ≥80%Noise: ≤ 55 dBWorking Temperature: -20ºC-45ºCWeight: 3.8Kg