Rad Power Bikes RadWagon 4 Electric Cargo Bike – 750W, 48V 14Ah, 20 MPH

Versatile Low-Step Cargo E-Bike with 350 lb Payload Capacity and Long-Range Battery

The Rad Power Bikes RadWagon 4 is a versatile electric cargo bike designed to combine everyday practicality with comfortable, reliable performance. Built for families, commuters, errands, and hauling gear, it provides a substantial cargo platform while maintaining a stable and approachable riding design.

Powered by a 750W geared hub motor and a 48V 14Ah lithium-ion battery with Samsung cells, the RadWagon 4 offers a claimed range of up to 45 miles per charge and a top speed of 20 mph using pedal assist or the throttle.

Its low-step 6061 aluminum cargo frame makes mounting and dismounting easier, while the adjustable seat post and handlebars accommodate riders from 5'1" to 6'4". Wide 22 x 3-inch puncture-resistant tires, mechanical disc brakes with 180mm rotors, and a 350 lb total payload capacity make it a practical platform for carrying passengers, groceries, equipment, and other everyday cargo.

Key Features

750W Geared Hub Motor

The RadWagon 4 features a 750W geared hub motor designed to provide dependable assistance for commuting, errands, and loaded cargo riding.

48V 14Ah Samsung-Cell Battery

A 48V 14Ah lithium-ion battery provides 672Wh of energy capacity. The battery uses Samsung cells and supports a claimed range of up to 45 miles per charge.

Up to 45-Mile Range

The bike offers a claimed maximum range of 45 miles, with actual range varying according to rider weight, cargo load, terrain, riding conditions, and level of pedal assistance.

20 MPH Top Speed

The RadWagon 4 reaches a claimed top speed of 20 mph using either pedal assist or its twist throttle.

5 Pedal-Assist Levels + Twist Throttle

Five levels of pedal assistance allow riders to adjust the amount of electric support, while the twist throttle provides additional control when desired.

Low-Step Cargo Frame

The 6061 aluminum low-step frame provides easier mounting and dismounting while supporting the bike's cargo-oriented design.

350 lb Total Payload

The RadWagon 4 has a stated 350 lb maximum payload capacity, including both the rider and cargo.

22 x 3-Inch Puncture-Resistant Tires

Custom 22 x 3-inch tires provide a broad contact area for stability while incorporating puncture-resistant construction.

Mechanical Disc Brakes

Mechanical disc brakes with 180mm rotors provide controlled stopping performance for everyday riding and cargo use.

7-Speed Shimano Drivetrain

The seven-speed Shimano drivetrain provides multiple gearing options for different riding conditions and load levels.

Adjustable Rider Fit

The seat post and handlebars are designed to accommodate riders between 5'1" and 6'4", providing a flexible fit for different body sizes.

Specifications

Motor & Performance

Specification	Details
Motor Type	Geared Hub Motor
Motor Power	750W
Top Speed	Up to 20 mph
Pedal Assist	5 Levels
Throttle	Twist Throttle
Drive System	Electric Rear Hub

Battery & Range

Specification	Details
Battery Type	Lithium-Ion
Battery Voltage	48V
Battery Capacity	14Ah
Energy Capacity	672Wh
Battery Cells	Samsung
Claimed Range	Up to 45 miles per charge*

Brakes, Tires & Drivetrain

Specification	Details
Brake Type	Mechanical Disc
Rotor Size	180mm
Tire Size	22 x 3 inches
Tire Construction	Puncture-Resistant
Drivetrain	7-Speed Shimano

Frame & Capacity

Specification	Details
Frame Material	6061 Aluminum
Frame Design	Low-Step Cargo Frame
Payload Capacity	350 lbs
Bike Weight	Approximately 76.7 lbs
Recommended Rider Height	5'1" – 6'4"

Included Equipment & Accessories

• Integrated Rear Rack


• Front Light


• Rear Light


• Kickstand


• Fenders


• Twist Throttle


• Adjustable Seat Post


• Adjustable Handlebars

Cargo & Utility Design

Integrated Rear Rack

The integrated rear rack provides a dedicated platform for carrying compatible cargo and accessories, making the RadWagon 4 suitable for errands and everyday transportation.

Stable Cargo Platform

The low-step cargo frame and wide tires are designed to provide a stable riding platform, including when carrying a substantial load within the stated payload capacity.

Everyday Convenience

Fenders, integrated lighting, and a kickstand add practical functionality for commuting and daily errands.

Ideal Applications

The RadWagon 4 is well suited for:

• Family transportation


• School drop-offs


• Grocery shopping


• Daily commuting


• Urban transportation


• Carrying recreational equipment


• Hauling everyday cargo


• Errands and local trips


• Replacing some short car trips


• General cargo-bike use

Rider & Cargo Safety

• Always wear a properly fitted helmet and appropriate protective equipment.


• Never exceed the 350 lb total payload capacity, including rider and cargo.


• Secure all cargo before riding and distribute weight evenly.


• Inspect the brakes, tires, wheels, drivetrain, and battery connections before each ride.


• Use additional caution when riding with a heavy or unevenly distributed load.


• Allow additional stopping distance when carrying heavier cargo.


• Use the integrated lights in low-light conditions.


• Follow all applicable local regulations governing electric bicycles and throttle-assisted riding.

Performance & Range Note

The stated 45-mile maximum range and 20 mph top speed are manufacturer-provided specifications. Actual range and performance can vary based on rider weight, cargo weight, terrain, weather, tire pressure, riding style, assist level, battery condition, and other factors.

Why Choose the RadWagon 4?

The Rad Power Bikes RadWagon 4 combines a 750W geared hub motor, 48V 14Ah Samsung-cell battery, 672Wh capacity, 20 mph top speed, 45-mile claimed range, seven-speed Shimano drivetrain, mechanical disc brakes, and 22 x 3-inch puncture-resistant tires in a purpose-built cargo-bike platform. With its low-step aluminum frame, 350 lb payload capacity, integrated rear rack, lights, fenders, and adjustable rider fit, it is designed for practical everyday transportation and cargo hauling.

• We currently ship within the United States only.
• Enjoy free standard shipping on all orders.
• Orders are processed within 1–2 business days.
• Estimated Total Delivery Time is 4–7 business days.
• Tracking information will be sent to your email within 24 hours after your order has been dispatched.
• For more information about our shipping process, please view our full Shipping Policy.

• Not the right fit? Return or exchange within 30 days.
• Items must be unused and in original condition.
• Damaged products are eligible for a refund or replacement.Your line works well.
• For more information about our return & refund process, please view our full Return & Refund Policy.