20' x 3.5' fat tire magnesium wheel motor 500 W and 750 W rim motor

  • $446.00
Tax included. Shipping calculated at checkout.

20 inch Magnesium wheel motor 36 V/48 V 500 W-750 W set,front wheel and rear wheel with motor.light weight 7 kg total.

rear wheel motor and front wheel as one set.




Voltage(DCV) 36/48 V
Wattage(W) 500 W/750 W
Speed(Km/h) 25-45
Torque(N.m) 45
Weight(Kg) 7.0
RPM(r/min) 180-350
Reduction ratio 5:1
Open size(mm) 170 mm/195 mm
Noise degree(dB) <55
Salt Spary test(h) 96
Spokes None
Free wheel Screw 7 s/8 s/9 s
Hall sensor Yes
Speed sensor Yes
Construction Geared
Color Black
Position Rear
Brake Disc brake
Certificate CE/RoHS
Motor Cable 9-pin waterproof connector
External rim width 85 mm


The mag wheel motor electric bike motor is applied with 110 mm x 25 mm/30 mm stator with much higher copper temperature resistance,the nylon gears inside of motor which can hold 100 N.m torque.Motor cable length L 1=250 mm,extension cable length is L 2=500 mm .Leadtime is about 7-9 days for production.

This mag wheel motor is suitable for 7 S/8 S/9 S shaft material is 45Cr # which is much stronger than other 45# shaft.Also the motor magnesium case painting is more durable when using.

Using a 9-pin waterproof connector with 1.5 mm^2 wires which is not problem for 30 Amp max motor currency,we will send a female end matching connector together with motor,the matching cable can connect with your exiting controller.

With a powerful torque and speed,durable quality this motor is very suitable for fat bike motor heavy duty drive.

To combine with a battery,a 36 V/48 V lithium battery with 11 Ah-17 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 30 Amp currency limit.

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.