RadWagon 4 Electric Cargo Bike

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All-new 22″ x 3″ tires designed in-house by Rad Power Bikes’ team of product engineers and manufactured by VEE Tire Co. provide a lower center of gravity. Features a custom tread pattern that provides a smooth ride over uneven surfaces, withstands bumps, and handles the elements with ease.


Last updated on January 27, 2023 8:59 pm

What is RadWagon 4 about?

By improving on the previous models, Rad power delivered an e-bike with a lower center of gravity to help the rider to move around with a loaded bike. Rad Power designed the RadWagon 4 to combine an efficient motor with a solid frame into an electric cargo bike for the daily chores. The main focus of this model is versatility: it is possible to mount both baskets and child seats on the bike, as well as lateral bags and other tools that fit the long rack.

It is time for superior zero-emission mobility

With fast-growing sustainable transportation, RadWagon 4 offers an eco-sustainable solution with a powerful motor to adapt to hilly and uneven terrain. This e-bike can transport up to 350 lb of total weight by using the 14 Ah Lithium-ion battery to run for 45 miles total. The rack can carry up to 120 lb by itself. Also, a backlit LCD on the handlebar shows a series of functions to keep the residual charge, the speed, and the mileage under control.

Why choose RadWagon 4?

A frequent theme in its design is stability: five pedal assist levels help the rider to tackle any external condition. A twist grip throttle allows for self-propulsion in the early moments of the ride, while a custom tread pattern on the tires guarantees a better grip on any surface. People between 5.1 and 6.4 feet can adjust the telescoping seat post for a more comfortable pedaling and modify the handlebar according to their needs without having to use an additional tool.

Here are the most remarkable features on RadWagon 4:

  • The Rad Battery. For up to 800 charge cycles, the 672 Wh battery capacity uses energy-dense cells that only weigh 7.7 lb. Charging time is up to six hours.
  • A geared hub motor. The planetary gear enables improved torque performance to provide up to 45 miles of movement per charge and five-level pedal assistance.
  • Integrated lights. Front and rear lighting rely on a 200 lumens LED light on the front and smart functionality that activates the rear light whenever the rider uses the brakes.
  • The 13.5 feet frame. The aluminum frame hosts a series of high-quality gear such as a seven-speed Shimano derailleur, full-coverage fenders, pedals with reflectors, and Velo comfort grips.

Specification: RadWagon 4 Electric Cargo Bike


Rad Power Bikes




48V, 750W


Backlit LCD with charge indicator, speedometer, odometer, trip odometer, pedal assist level, wattmeter, and more

Hub Motor

Geared Hub Motor with 5:1 Planetary Reduction


Front: Rad Power Bikes branded standard LED 20 lux (~200 Lumens) Rear: Integrated taillight with brake light indicator functionality

Pedal assist



Half twist grip throttle


Water resistant connectors and wiring harness

USB ports

Display: 5V, 1 Amp

Brake Calipers

Tektro Aries (MD-M300)

Brake Levers

Aluminum alloy comfort grip levers with motor cutoff switch

Brake pad material


Brake rotors

Tektro 180 mm front and rear


KMC Z7, 160 Link


46T chainring; ProWheel Solid 170 mm crank length; square-taper J.I.S.; dual-sided chainring guard


7-speed Shimano


Full coverage front and rear fenders with hardware included


Rigid steel fork for 22" wheel



DNP 7-speed freewheel, 11-34T


1 x 7-speed


Velo comfort rubber ergo grips


Swept-back, RPB custom


Semi-integrated, 1-1/8" straight steerer tube


Dual leg, spring loaded, steel


Wellgo B087 CrMo axle, forged aluminum platform with reflectors, standard 9/16" x 20 TPI threading


Shinning DB-X50, alloy, double wall, black powder coated, 36 hole


Velo Plush with lifting handle


Satori telescoping seatpost, Telescoping, max length = 440 mm x 34.9 mm

Seatpost clamp

Quick release


Shimano thumb shifter, 7-speed


12 gauge, stainless steel


Satori EZ3 AHS toolless adjustable handlebar stem with built in top cap bolt. Reach, height (stack), and handlebar angle adjustment (80 degrees) with press of a button/lever lift.


Rad Power Bikes, custom 22" x 3" Manufacturer: VEE Tire Co.

Max. Speed

Charging time

Videos: RadWagon 4 Electric Cargo Bike

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