Does the kit include a battery?

No. The package list covers the motor, controller, assist sensor, brake lever, throttle, LED display and wiring. You supply a 36V or 48V lithium battery matched to the motor version.

Will it fit my 20-inch bike?

The rim is 20 inches. The front motor needs a 100mm fork opening; the rear motor needs 135mm between the dropouts. Measure your frame before ordering.

Front or rear wheel version?

The front version is the 36V 250W motor at about 30 km/h and is easier to install. The rear version is 48V 1000W at about 43 km/h and gives better traction but needs the wider 135mm spacing.

Does it work with disc brakes?

Yes. The kit is stated to suit both V-brakes and disc brakes, and the brake levers cut motor power when pulled.

About 30 km/h with the 36V 250W motor and about 43 km/h with the 48V 1000W motor. Real speed depends on rider weight, battery and terrain.

What is the pedal assist like?

It uses a 5-magnet crank sensor, so assist kicks in when you pedal. A thumb throttle is also included for power without pedaling.

20" Front and Rear Wheel Electric Bicycle Conversion Kit

Best price now

$165.53at WalmartChecked Nov 14

Prices are checked against each store and labelled with when.

Visit Walmart

20" Front and Rear Wheel Electric Bicycle Conversion Kit

Best price now

$165.53at WalmartChecked Nov 14

Prices are checked against each store and labelled with when.

Visit Walmart

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Price facts

Last seen at $165.53 at Walmart on Nov 14.

Our take on the 20" Front and Rear Wheel Electric Bicycle Conversion Kit

This is a hub-motor conversion kit that turns a 20-inch bike into an e-bike. It comes in two versions: a 36V 250W front-wheel motor rated to about 30 km/h, and a 48V 1000W rear-wheel motor rated to about 43 km/h. The kit includes the motor, controller, LED display, thumb throttle, brake levers with power cut-off, and a pedal-assist sensor. It suits riders who want to electrify a folding or small-wheel bike themselves rather than buy a new e-bike, and it fits V-brakes and disc brakes.

Best forOwners of 20-inch folding or compact bikesDIY riders comfortable with wheel and wiring workRiders wanting pedal assist plus throttle

Pros

Two power levels: 250W for legal-assist riding, 1000W for speed
Works with V-brakes and disc brakes
Includes controller, display, throttle, brake levers and assist sensor
Waterproof motor connector
Front version fits a standard 100mm fork

Cons

No battery included despite the battery model listed
Rear version needs a 135mm fork spacing, which many 20-inch frames lack
Display and throttle wiring is not waterproof
Hub motors add wheel weight and change handling
Installation needs wheel-building or dropout work

20" Front and Rear Wheel Electric Bicycle Conversion Kit prices at every store

WalmartNew
In stockSold by Aureum Supellectilem IncReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
$165.53Free shippingChecked Nov 14
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About the 20" Front and Rear Wheel Electric Bicycle Conversion Kit

This conversion kit turns a 20-inch bicycle into an electric bike. It uses a brushless toothed motor and comes with a controller, a thumb throttle and an LED display. The kit is offered as a front-wheel motor (36V 250W) or a rear-wheel motor (48V 1000W).

A crank speed sensor provides pedal assist, and a power cut-off brake lever stops the motor when you brake. The kit works with both V brakes and disc brakes. The front motor reaches a maximum of 30 km/h, and the rear motor reaches a maximum of 43 km/h.

Wheel size: 20 in rim, for 20-inch bikes
Motor type: Brushless toothed motor, front or rear
Front motor: 36V 250W, up to 30 km/h
Rear motor: 48V 1000W, up to 43 km/h
Fork width: Front: approx. 100 mm (3.9 in); rear: approx. 135 mm
Brake type: V brake or disc brake
Controller: 36V 15A (front motor); 48V 130A (rear motor)
Pedal assist: Crank speed sensor, 5 magnetic point assist sensor
Brake lever: Power cut-off brake lever
Throttle: Thumb throttle
Display: SW-810 LED display
Wiring: Waterproof wire for the motor outlet, common wiring for the rest
Battery model: 36V 12A lithium battery
Color: Black
Condition: Brand new
In the box: 1 x motor, 1 x controller, 1 x assist sensor, 1 x electronic power brake, 1 x thumb throttle, 1 x LED display, 1 x waterproof wire, 1 x controller carrying case

Specifications

golf_club_shaft_type: 36V 250W Front WheelSource
color: BlackSource

Questions and answers

Does the kit include a battery?: No. The package list covers the motor, controller, assist sensor, brake lever, throttle, LED display and wiring. You supply a 36V or 48V lithium battery matched to the motor version.
Will it fit my 20-inch bike?: The rim is 20 inches. The front motor needs a 100mm fork opening; the rear motor needs 135mm between the dropouts. Measure your frame before ordering.
Front or rear wheel version?: The front version is the 36V 250W motor at about 30 km/h and is easier to install. The rear version is 48V 1000W at about 43 km/h and gives better traction but needs the wider 135mm spacing.
Does it work with disc brakes?: Yes. The kit is stated to suit both V-brakes and disc brakes, and the brake levers cut motor power when pulled.
How fast does it go?: About 30 km/h with the 36V 250W motor and about 43 km/h with the 48V 1000W motor. Real speed depends on rider weight, battery and terrain.
What is the pedal assist like?: It uses a 5-magnet crank sensor, so assist kicks in when you pedal. A thumb throttle is also included for power without pedaling.
Where is the 20" Front and Rear Wheel Electric Bicycle Conversion Kit cheapest?: At Walmart, for $165.53, as of our latest check.
What do buyers say about the 20" Front and Rear Wheel Electric Bicycle Conversion Kit?: Rated 3.3 out of 5 from 3 ratings.