Bafang RM G310.250.DC rear drive motor 250 W 8-speed cassette 11T-28T and disc-brake
This Bafang new design of RM G310.250.DC rear-drive motor 8-speed 11T-28T cassette, which is compatible with the disc brake with cassette body, has a rated power of 250 W, a reduction ratio of 1: 11 and a maximum torque of 42 N.m very light weight 2.5 kg, 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 .
|Salt Spary test(h)||96|
|Spokes||13 G/36 spokes|
|Motor Cable||9-pin bafang waterproof connector|
The RM G310.250.DC motor kit is including 8-speed cassette 11T-28T and disc brake rotor.
The disc brake rotor is brand new 180mm Tektro brake disc rotor which is standard 2mm thickness,we have Shimano brake disc rotor as an option,please leave a note about which disc rotor you need to our email when check out.
This is brand new Bafang 250 W hub motor resale from Motowoks,the RM G310.250.DC motor is geared structure with 250 W power,up to 42 N.m max torque with average speed speed 25 km/h-28 km/h.This motor is very light weight 2.5 kg and two-steps gear ratio which can be very smooth and silence riding.
The Bafang 250 W motor electric bike motor has much higher copper temperature resistance and much stronger than normal one-step ratio gear motor,the nylon gears inside of motor however can hold 50 N.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.
Motor cable length L 1=250 mm,extension cable length is L 2=500 mm.Leadtime is about 7-9 days for production.
The hub motor 250 W shaft material is 45 Cr # 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 1.2 mm^2 wires which is not problem for 25 Amp 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 suitable for city bike.
To combine with a battery,a 36 V lithium battery with 8.8 Ah-14 Ah 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 14 Amp 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,please leave your telephone number ! 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 be sure to 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.