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Deal.ai › Electric Bike Conversion Kits
2
20" E-Bike Rear Wheel 48V 1000W Electric Bicycle Hub Motor Conversion Kit with LED

20" E-Bike Rear Wheel 48V 1000W Electric Bicycle Hub Motor Conversion Kit with LED

5(1 rating)

Best price now

$185.40at WalmartChecked 9 h ago

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Price facts

  • Best price today: $185.40 at Walmart (checked Nov 15, 2026).
  • Checked at 2 stores.

Our take on the 20" E-Bike Rear Wheel 48V 1000W Electric Bicycle Hub Motor Conversion Kit with LED

A rear-wheel conversion kit that turns a 20-inch bike into a 48V electric one. It pairs a 1000W brushless gearless hub motor with a controller, SW-810 LED display, thumb throttle, power cut-off brake levers and a 5-point pedal-assist sensor. The motor is rated for about 43 km/h unloaded and 35-38 km/h under load, with 45 N.m of torque. It suits riders with a 20-inch frame and basic wiring skills; it is not waterproof and needs a separately bought 48V battery and tire.

Best forConverting a 20-inch bike to electricRiders who want strong torque for hills and cargoDIY builders comfortable with wiringBikes with a 135mm rear fork and V or disc brakes
Pros
  • 1000W gearless motor with 45 N.m torque
  • Includes controller, LED display, throttle and brake levers
  • Works with V brakes and disc brakes
  • Pedal-assist sensor with five assist levels
  • Aluminum rim built for 20-inch tires
Cons
  • Battery and tire not included
  • Not waterproof; not for rain
  • Wiring must match colors or the controller can be damaged
  • Gearless motor is heavy and has drag when pedaling unpowered
  • No speed or torque sensor beyond the basic cadence sensor

20" E-Bike Rear Wheel 48V 1000W Electric Bicycle Hub Motor Conversion Kit with LED prices at every store

  • WalmartNew

    In stockSold by ColorfullrainReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $185.40Free shippingChecked 9 h ago
    Visit Walmart
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $137.99+ $90.00 shippingChecked 9 h ago
    Visit Amazon

Store links may earn us a commission.

20" E-Bike Rear Wheel 48V 1000W Electric Bicycle Hub Motor Conversion Kit with LED price history

Lowest price we've seen: $137.99 on Nov 15 at Amazon. Tracked across 1 store since Nov 15.

About the 20" E-Bike Rear Wheel 48V 1000W Electric Bicycle Hub Motor Conversion Kit with LED

This is a 20-inch rear wheel electric bike conversion kit with a 48V 1000W brushless, gearless hub motor. It fits a bike with a 135mm rear fork opening and works with both V brakes and disc brakes. The motor has Hall sensors and an aluminum build.

The kit includes a controller, a thumb throttle, an LED display, a power cut-off brake lever and a pedal assist sensor. No-load top speed is 43 km/h, and speed under load is 35-38 km/h.

Tires and battery are not included. The tire size is 20 x 1.75-2.125 inches. The battery's power and voltage must match the kit, and its wiring must not be reversed. Connect the motor wires to the controller by matching colors, or the controller may be damaged. The kit is not waterproof and should not be used in the rain.

Rated power
1000W
Voltage
48V nominal
Motor type
Brushless, gearless hub motor with Hall sensor
Motor position
Rear
Max torque
45 N.m
Efficiency
83%
RPM
100-500
Top speed
43 km/h no load; 35-38 km/h under load
Wheel size
20 inches
Rear fork width
Approx. 135mm (axle 135mm)
Tire size
20 x 1.75-2.125 inches (tire not included)
Brakes
V brake or disc brake
Controller
48V 130A
Pedal assist
Crank speed sensor, 5 magnetic point assist sensor
Throttle
Thumb throttle
Brake lever
Power cut-off brake lever
Display
SW-810 LED display
Wiring
Waterproof wire for the motor outlet, common wiring for the rest
Material
Aluminum
Color
Black
Not included
Tire and battery
In the box
1 motor, 1 controller, 1 pedal assist sensor, 1 electronic power brake, 1 thumb throttle, 1 LED display, 1 waterproof wire, 1 controller carrying case

Specifications

color
BlackSource
size
rear fork open size: Approx. 135mmSource
Rated Power
1000WSource
Nominal Voltage
48VSource
Motor Position

Questions and answers

What else do I need to complete the build?
A 48V battery matched to the kit's voltage and power, and a 20-inch tire sized 20 x 1.75-2.125. The kit supplies the motor wheel, controller, display, throttle, brake levers and pedal sensor.
Will it fit my bike?
The rear fork opening must be about 135mm, and the bike must run 20-inch wheels. It fits both V-brake and disc-brake frames.
How fast does it go?
The motor's unloaded speed is about 43 km/h; under load the kit is rated at 35-38 km/h. Real speed depends on battery, rider weight and terrain.
Can I ride it in the rain?
No. The kit is not waterproof, so avoid riding in rain or through standing water.
Is it a geared or gearless motor?
It is a brushless gearless hub motor. That means fewer moving parts and quiet running, but more weight and some drag when pedaling without power.
What happens if I wire it wrong?
Match the wire colors exactly when connecting the controller. Reversed or mismatched wiring can damage the controller or the kit.
Where is the 20" E-Bike Rear Wheel 48V 1000W Electric Bicycle Hub Motor Conversion Kit with LED cheapest?
At Walmart, for $185.40, as of our latest check.
What do buyers say about the 20" E-Bike Rear Wheel 48V 1000W Electric Bicycle Hub Motor Conversion Kit with LED?
Rated 5 out of 5 from 1 ratings.
Where can I buy the 20" E-Bike Rear Wheel 48V 1000W Electric Bicycle Hub Motor Conversion Kit with LED?
2 stores we checked sell it, including Walmart, Amazon.

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Front/Rear Motor
Source
Motor Construction
Brushless Gearless MotorSource
RPM
100-500Source
Max Torque
45N.mSource
Efficiency
83%Source
Hall Sensor
WithSource
Axle
135mmSource
Wheel Size
20 InchesSource
Wheel Hub Configuration
135mm RearSource
Material
AluminumSource
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