250w electronic bike conversion

  • 250w electronic bike conversion

Product details

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Quick Details

Part: e-bike conversion kit Place of Origin: Guangdong, China (Mainland) Brand Name: SEMPU Model Number: SP-RA Motor Power: 200--250W Voltage: 36V Motor: brushless geared,rear hub motor Fork Width: 142-145MM Battery: 36V 8.8AH,316.8WH,18650 Li-ion battery Torque: 40N.m Display: multifunctional LCD panel,five level of assist model selection Torque sensor: Bilateral torque sensor is installed in the bottom bracket Charger: input voltage 110-220V,output voltage 42V 2A,charging time 5H--7H Spokes hole: 12G 32H

Packaging & Delivery

Packaging Details: Standard export carton or as per customer's requirement.

Delivery Detail: Around 30days after sample confirmed and deposit done


1.36V 250w peak torque 40N.m,2.3KG

2.Bi-directional torque sensor

3.Range of 75km by a battery power.

4.smooth riding feeling

250W electronice bike conversion Kit

The SEMPU  e-bike Drive System will assist you automatically. The smart torque sensor reads your speed,pedaling force, direction,and forwarded the information to controller,after get the signal,make motor assist to cyclist to have a  natural ,safe,comfortable ride, convert a bicycle you love to ride into a powerful and efficient electric bike with our E-bike conversion kit.


Brushless gear motor,High speed motor,Power 250W, peak torque 40N.m, fork width 142mm--145mm,

weight 2.4 kg, RPM can as per your your need,speed 25km/h,32km/h,even faster. brushless front hub motor delivers smooth, seamless electric assistance.Your bike still feels like a bike, and you get all the exercise benefits of cycling with an added electric boost when you need it

Controller panel

Multifunctional LCD panel, with 5 level boost assist to help you conquer that next hill.Some extra power to help you overpass the cyclist who is in front of you.Or maybe you’d just like to ride longer and farther on your weekend trail ride.


Foc square wave cotroller

BB torque sensor

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

axle spacing 122.5mm,124.5mm and 127.5mm are available ,for the special size, customized axle length is accepted,JIS,English thread

Sempu Motor Co.,Ltd  Technology:CTMON