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BAFANG 48V 500W RM G020.500.DC Rear Hub Complete Conversion Kit

BAFANG 48V 500W RM G020.500.DC Rear Hub Complete Conversion Kit

Regular price $262.00 USD
Regular price Sale price $262.00 USD
Sale Sold out
Varstrom offers free Shipping.

Motor Spec.

Model No.: RM G020.500.DC
Position: Rear Hub Motor
Wheel Size (Inch): 26/27.5/700C
O.L.D (mm): 135 to 142
Norminal Voltage (Vdc): 48
Rated Power (W): 500
Max Speed (km/h): 40
Max Torque (N.m): 65
Weight (kg): 3.3
Brake: Disc Brakes or V-brakes
Tests & Certifications: IP X5/ROHS/CE

Controller Spec.

Max Current: 18A
Rated Current: 9A
Rated Voltage: 48V
Low Voltage: 39 (±1)V
Over Voltage: 62 (±1)V
Programming Cable: N/A

Package Include

For the Kits

  • Hub Motor Wheel
  • Controller
  • Controller Box
  • Thumb Throttle (Accelerator)
  • Brake Levers or Brake Sensors
  • Left Sight PAS Sensor (Smaller Hole)
  • 1T4 Cable
  • Installation Tools

For Customize Options

  • Display
  • Battery
  • Headlight
  • Tail Light
  • Right Sight PAS Sensor (Larger Hole)

1+2 Warranty

Warranty Policy

Warranty Scope

  • Motor: A one - year free warranty service is provided from the date of purchase. During the free - warranty period, if the motor malfunctions due to material or workmanship defects, we will repair or replace it free of charge. After the expiration of the free - warranty period, a two - year after - sales maintenance service will be provided. For malfunctions caused by material or workmanship defects, only the cost of spare parts will be charged; for malfunctions caused by human factors, both the cost of spare parts and reasonable maintenance labor costs will be charged.
  • Battery: The battery comes with a one - year free warranty. Under normal usage conditions, if the battery experiences premature capacity attenuation (less than 60% of the rated capacity) or other quality problems during the free - warranty period, we will provide free repair, replacement, or corresponding compensation according to the specific situation. After the free - warranty period ends, during the two - year after - sales maintenance service period, for quality - related problems, the cost of spare parts will be charged; for damages caused by human factors, both the cost of spare parts and maintenance labor costs will be charged.
  • Display (Meter): The meter enjoys a one - year free warranty. If the meter shows abnormal display, malfunctions, or other quality - related problems during the free - warranty period, we will be responsible for free repair or replacement. During the subsequent two - year after - sales maintenance service, for repairs due to quality problems, the cost of spare parts will be charged; for malfunctions caused by human reasons, both the cost of spare parts and maintenance labor costs will be charged.
  • Other Accessories (This includes brake levers or brake sensors, thumb throttle, speed sensors, chainrings, cranks, 1T4 wires, etc.): with a 6 - month warranty service. During the warranty period, if these accessories malfunction due to material or workmanship defects, we will repair or replace them free of charge. However, damages caused by non - quality reasons such as human usage habits are not covered by the free warranty, but we can provide paid maintenance services.

Warranty Conditions

The warranty service is only applicable to e - bike conversion kits purchased from our independent website.

Customers are required to provide valid purchase vouchers, such as order screenshots, invoices, etc.

The product must malfunction under normal usage and maintenance conditions. Damages caused by human factors such as improper use, abuse, unauthorized modification, and accidents are not within the scope of free maintenance even during the free - warranty period, but paid maintenance can be carried out according to the after - sales maintenance service standards.

10-Day No-Reason Return Policy

Within 10 days from the date when the customer receives the product, if the customer is not satisfied with the product, they can enjoy the no - reason return service.

The returned product must be in brand - new condition, without any signs of use, damage, or disassembly, and the original packaging, accessories, instruction manuals, etc. must be complete.

The customer is responsible for the return shipping costs.

Warranty and Return Process

Warranty Process: After the customer discovers a problem with the product, please contact our customer service team in a timely manner and provide a detailed description of the malfunction and the purchase voucher. Our customer service staff will communicate with you within 2 working days to confirm the malfunction. For problems within the scope of free warranty, free repair or replacement will be arranged; for problems within the scope of after - sales maintenance service, after notifying the customer of the required costs according to the cause of the malfunction and the service standards, maintenance will be carried out.

Return Process: If the customer needs to return the product, please contact the customer service within 10 days to apply for a return. The customer service will provide you with the return address and relevant guidance. After we receive the returned product and confirm that it meets the return conditions, we will process the refund within 3 working days.

Rim Options
Wheel Size

VARSTROM & BAFANG RM G020.500.DC

In 2026, you'll find the perfect hub conversion kit right here at VARSTROM. After spending the past year perfecting our complete hub drive modification kit line, we're now proud to offer fully customized conversion solutions tailored to your exact specifications.

VARSTROM 48V 500W Rear Hub Kit Bafang

Specs for Motor RM G020.500.DC and Controller

VARSTROM 48V 500W Rear Hub Kit Bafang Motor and Controller Specs

RM G020.500.DC

  • Model: RM G020.500.D/DC
  • Position: Rear Motor
  • OLD: 138 (±1) mm
  • Norminal Voltage: 48V
  • Rated Power: 500W
  • Max Speed: 40 km/h
  • Max Torque: 65 N.m
  • η: >75%

48V 500W Hub Motor Controller

  • Max Current: 18A
  • Rated Current: 9A
  • Rated Voltage: 48V
  • Low Voltage: 39 (±1)V
  • Over Voltage: 62 (±1)V
  • Programming Cable: N/A

BAFANG Rear Specs Comparsion

VARSTROM offer hub kits made by BAFANG hub motors. Such as H400B (aka FM G020.500D), H400B (aka RM G020.500DC), H640 (aka RM G0900.750.DC)

VARSTROM 48V 500W Rear Hub Kit Bafang Specification Comparison

Disc/V Brake Rim Options

All hub motors feature disc brake mounting holes — making every wheel disc brake compatible. VARSTROM also offer V-brake rim options for some models for the customers.

Please Note: If disc brake version wheels are temporarily out of stock, VARSTROM may ship V-brake version wheels as a substitute.

VARSTROM 48V 500W Rear Hub Kit Bafang Disc Brake and V-Brake Rim Version

Specs for VARSTROM Disc/VBrake Wheel

Disc Brake Wheels

VARSTROM 48V 500W Rear Hub Kit Bafang Disc Brake Rim Version

V-Brake Wheels

VARSTROM 48V 500W Rear Hub Kit Bafang Disc Brake Wheel Specification

Display Options

All UART Display for BAFANG/VARSTROM will support our BAFANG hub kits, VARSTROM offers recommended displays in the product options for customers to choose.

VARSTROM 48V 500W Rear Hub Kit Bafang Display Optons

Varstrom eBrake Options

To better matching customer's existing brake system, VARSTROM provides power-cutoff mechanical brake levers and sensors. This device automatically stops the motor when braking which is a critical safety feature for e-bikes.

VARSTROM eBrake Options

How to Finish the Installation

All required installation accessories are included in package. Customers can refer to the wiring diagram below to connect the motor assist system.

VARSTROM 48V 500W Rear Hub Kit Bafang Hub Motor Kit Wiring Diagram

What Are In The Package

This complete hub motor kit includes all items shown in the diagram. Items outlined in orange are custom options and will only be included if selected by the customer.

For the Kits

  • Hub Motor Wheel
  • Controller
  • Controller Box
  • Brake Levers or Brake Sensors
  • Thumb Throttle (Accelerator)
  • Left Sight PAS Sensor (Smaller Hole)
  • 1T4 Cable
  • Installation Tools

For Customize Options

  • Display
  • Battery
  • Headlight
  • Tail Light
  • Right Sight PAS Sensor (Larger Hole)
VARSTROM 48V 500W Rear Hub Kit Bafang Package

Delivery Time and Warranty

90% of Varstrom's products are shipped from local warehouses and can be delivered within 3 to 8 working days. The delivery point in the EU region is in Poland, and the delivery time is 6 to 8 working days. Out - of - stock products may be shipped from China. Customers can contact Varstrom via WhatsApp (+86 15989932938) or E-mail to inquire about the logistics situation.

Varstrom Delivery Policy and Warranty Policy

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