Rear wheel Motor E-bike Drive system-2

  • Rear wheel Motor E-bike Drive system-2

Product details

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Quick Details

Part: E-bike Drive Asist System Place of Origin: Guangdong, China (Mainland) Brand Name: SEMPU Model Number: SP-RD Motor Power: 250 Voltage: 36V Design: brushless geared,hub motor Speed: 25km---32km Battery: 36V 8.8AH,316.8WH,18650 Max Torque: 40N.m Display: LCD screen,five assistance levels Torque sensor: torque sensor installed in the standard bottom bracket(68mm) Spokes hole: 10G 12G 13G 14G 15G 32 holes Controller: Square wave controller

Packaging & Delivery

Packaging Details: each set packed in a Standard export carton

Delivery Detail: within 35 days


1. high speed motor ebike kit,

2.dual side torque sensor

3.Refit Bicycle more easier

4.BB torque sensor patent right owner

Rear Drive E-BIKE  KIT  


18650 import power batteries, BATSO,CE,RoHS certification,capacity 36V 8.8Ah, 11Ah,11.6Ah,14.5Ah , discharge rate 5C, cycle life 600 times, error prevention charging function,boiler and shelf style


Cassette Brushless gear motor.High speed motor,36V 250W,effiency  ≥ 80%. Max torque 40N.m, fork width 145mm,weight 2.4 kgs,


Europe standard,Input voltage 110-220V, Output voltage 42V, Charging 5-6H,

A full charger can provide a  80km mileage,

Controller panel

Multifunction LCD display,5 level assist mode selection for your control.a soft start,extra power for a rough road, a headwind,uphill.different power-assist for different situation,the cyclist will enjoy a comfortable ride.


Foc cotroller,sine wave,torque sensor


Bilateral torque sensors can detect the pedaling force,riding speed and direction,

8 kinds length is optional,for the special size,we accept customized,JIS,English thread

Sempu Motor Co.,Ltd  Technology:CTMON