Bafang RM G310.250.DC rear drive motor 250w

  • $189.00
Tax included. Shipping calculated at checkout.

This Bafang new design of rm g310.250.dc rear-drive motor, which is compatible with the disc brake with cossette body, has a rated power of 250W, a reduction ratio of 1: 11 and a maximum torque of 42 N.m very light weight 2.5kg, providing smooth power for vehicles. This motor has two-steps gear ratio which is very smooth and silence riding feeling, suitable for city bikes and folding bikes. It can be black or sliver.

 rm g310.250.dc



Voltage(DCV) 36V
Wattage(W) 250W
Speed(Km/h) 25-28km/h
Torque(N.m) 42
Weight(Kg) 2.5
RPM(r/min) 180-280
Reduction ratio 11:1
Open size(mm) 138
Noise degree(dB) <50
Salt Spary test(h) 96
Spokes 13G/36 spokes
Cabling Right
Hall sensor Yes
Speed sensor Yes
Construction Geared
Color Black/Silver
Position Rear
Brake Disc brake
Certificate CE/RoHS
Motor Cable 9-pin bafang waterproof connector


rm g310.250.dc bafang


This is brand new Bafang 250W hub motor resale from Motowoks,the rm g310.250.dc motor is geared structure with 250W power,up to 42N.m max torque with average speed speed 25km/h-28km/h.This motor is very light weight 2.5kg and two-steps gear ratio which can be very smooth and silence riding.

The Bafang 250W motor electric bike motor has much higher copper tempature resistance and much stronger than normal one-step ratio gear motor,the nylon gears inside of motor however can hold 50N.m torque.The rm g310.250.dc motor is very high efficient than normal motors also with Noise grade 50dB which is lower than other motors like 55dB or even 60dB.

bafang rm g311 motor

bafang rm g310.250.dc motor

rm g310.250.dc drawing


 Motor cable length L1=250mm,extention cable length is L2=500mm.Leadtime is about 7-9days for production.

The hub motor 250W shaft material is 45Cr # which is much stronger than other 45# shaft.Also the motor aluminium case painting is more durable when using.

Using a higo 9-pin power connector with 1.2mm^2 wires which is not problem for 25Amp max motor currency,we will send a female end matching connector together with motor,the matching cable can connect with your exiting controller as well as Bafang standard controller.

With a silence riding and smooth,durable quality and light weight this motor is very suitble for city bike.

To combine with a battery,a 36V lithium battery with 8.8Ah-14Ah would be an ideal choice,it can use with downtube battery as well as rear pack battery,the battery cells can use LG/Samsung/Panasonic/Sanyo,but due to the big power of motor,in order to protect the battery as well as a good riding experience,the battery BMS should be over 14Amp currency limit.

This bafang hub motor rm g310.250.dc motor is compatible with many good controller brands,but we suggest Bafang controller/LIshui controller with good quality controller to fit.For display it meets any brands display on the market.

Tips you want to know:

About shipping,we will process your order when payment is done,delivery option would be standard Fedex/TNT/UPS according to your country address,the door to door shipping time is about 6-7 days.The default shipping address would be the bill address,please leave a correct address and telephone number when check out.

About warranty,our products do 1 year warranty for customers,if there are issue parts due to our products quality cause we will resend spare parts for free.