Top Speed: 22-25 mph / 35-40 kph base on 28 inch wheel

     Battery Life: Over 800 Charges

     Charge Time: 5 Hours

      This type of sensoris based on measurement of chain tension, with designated mounting angle, being compatible with standard bicycle chain ring/crank arm. It has dual torque sensing with 24 pulses of signal per cycle.

     Kit Includes: 

     1.36V350W rear cassette hub motor with 20/24/26/27.5/28inch aluminum double wall rim

     2.36V18A sin-wave controller(no noise) L:91mm W:62.5mm H:41mm

     3.850C/DPC-14 colorful TFT display

     4.EB-BUS cable 1T4(same as BBS)

     5.Thumb throttle

     6.Torque sensor (68-73mm)

     7.Brake-1(keep your bike original brake lever)

     8.Controller Box

     9.Cable Tiers * 10 pcs

     * Battery(not included, check out from here)

*Torque Sensor Profile