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2021 Rad Power Bikes

RadWagon 4

A 22″ aluminum frame long tail cargo e-bike with modest components and tektro mechanical disc brakes.

Manufacturer Price

$1,899
Weight76.7 lbs  
FrameAluminum
SuspensionRigid
ForkSteel
Wheels22″ Aluminum
Drivetrain1 × 7
GroupsetShimano
Motorhub-drive
Battery672Wh
BrakesTektro Mechanical Disc
Where to Buy
Similar Bikes
Top Comparison
Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

27 mph

RadWagon 4

25 mph

Similar Bikes

Highest gear

(descending)

Sizing
OS

5'0" – 6'4"

Rider Fit Notes
  • 6'1", size One Size, Just right
Reviews

Summary

The Rad Power Bikes RadWagon is a versatile and affordable long-tail cargo e-bike, praised for its stability, comfort, and high cargo capacity, making it an excellent entry-level option. However, it faces criticism for issues like tire blowouts, less powerful brakes, and a motor that struggles with heavy loads on hills. Overall, it offers great value but has notable drawbacks in safety and performance.

Pros
  • Affordable

  • Sturdy and stable

  • Good cargo capacity

  • Comfortable ride

  • Versatile with many accessories

Cons
  • Tire safety issues and blowouts

  • Ineffective brakes

  • Motor not powerful enough for hills

  • Heavy and difficult to maneuver

  • Custom tire size limits replacements

Key Quotes
Rad Power has now disclosed that they have received 137 reports of tires blowing out, with eight of those resulting in injuries from road rash to a broken arm.
Bikerumor logoBikerumor
If you’re looking to dip your toe into the waters of cargo biking, then the Radwagon 4 is a brilliant first bike.
ebiketips
A huge win for this electric cargo bike is that it’s much less expensive than almost all competitors… and it’s actually better than some of the more expensive ones, in my opinion.
Electric Bike Review logoElectric Bike Review
The RadWagon 4 is a dialed electric cargo bike from one of the leaders in the e-bike market, and its huge range of accessory add-ons will appeal to many.
Outdoor Gear Lab logoOutdoor Gear Lab
The Rad Power Bikes RadWagon 4 is one of the easiest to use and versatile cargo bikes we’ve had the pleasure of riding… and that’s before you look at the extremely tempting price tag.
The Gear Loop

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99 Spokes
Rad Power Bikes RadWagon 4

Dec 2022

An effective car replacement at an affordable price point.

Highs
  • Affordable

  • Sturdy

  • Comfortable

  • Good cargo capacity

  • Powerful motor

Lows
  • Ineffective and noisy brakes

  • Tire issues

Read Review

Outdoor Gear Lab
Rad Power RadWagon 4

Dec 2022 · Jeremy Benson

The Rad Power RadWagon 4 is a sturdy electric cargo bike that can carry up to 350 pounds. With a large rear rack and front mounting points, it can be...

Highs
  • Stable and damp ride quality

  • Good distance range

  • Quality display

  • Tons of available accessories

Lows
  • Recall issues

  • Longer assembly

  • Custom 22-inch tires are an uncommon size

Read Review

Bikerumor
Updated: Rad Power announces RadWagon 4 Recall over tire and rim strip issues

Nov 2022 · Sam Anderson

Assembly and equipment flaws on RadWagon 4 cargo ebikes resulted in two separate voluntary stop-ride notices. Here's what owners need to know.

Read Review

The Gear Loop
Rad Power Bikes RadWagon 4 review

Aug 2022 · Leon Poultney

We test this enticingly affordable electric cargo bike to see if it's the ultimate, affordable getaway vehicle.

Highs
  • Massive load-carrying capacity

  • Fantastic value for money

  • Plenty of personalisation options

Lows
  • Not as smooth and powerful as some rivals

  • 7-Speed Shimano Acera gearing isn’t the best

  • Twist power assist could be better

Read Review

ebiketips
Rad Power Bikes Radwagon 4

Dec 2020

Verdict: An excellent budget load carrier that’ll be enough cargo bike for many

Read Review

Electric Bike Review
Rad Power Bikes RadWagon 4 Review

Jun 2020

Price: $1499.00 | Model Year: 2020 | An affordable but refined electric cargo bike with custom 22

Observations
  • An affordable but refined electric cargo bike with custom 22" x 3.0" tires that improve stability and comfort while still keeping the cargo holds low and easy to load. Approachable but stiff mid-step frame comes in three beautiful colors. Reflective tires and quality integrated lights help keep you visible and safe

  • Powerful fat-bike rated 80nm geared hub motor provides excellent power for starting, hauling gear or passengers, and climbing. Steel torque arm spreads motor forces into frame instead of chewing up the dropouts. Respectable 11-34 tooth cassette is nickel coated for durability, upgraded Shimano Acera derailleur should be reliable, and is protected by a steel derailleur guard.

  • Extra-strong steel double-leg kickstand keeps the bike stable for loading and unloading, wide plastic fenders keep you dry, aluminum chain guide protects the chainring and your pant legs or dress ends, neoprene slap guard protects the paint and reduces noise from chain bounce. Lots of adjustability for fit including telescoping seat post, tool-free adjustable stem, and swept-back handlebars.

  • No suspension fork, but the high-volume tires and ergonomic grips improve comfort while reducing weight, cost, and frame flex. Mostly sold direct-online, but Rad has three physical locations in US, Canada, and Europe, as well as mobile delivery vans for setup and service. Basic shifter and grayscale LCD that's not removable, but it does have a USB charging port built-in

Read Review

BikeRadar
Rad Power RadWagon review

Dec 2019 · Tom Marvin

With over 200km of heavy loads carried so far, the bright orange workhorse has shuttled loads around urban centres quite happily, though it’s not without its faults

Highs
  • Wide range of load-carrying accessories available, sturdy build results in minimal flex, easy to read display, always-on lighting, stable handling

Lows
  • Super heavy, tubing around rear rack is just too thick, occasional power control quirks, relatively un-responsive motor compared to bigger brands

Read Review

Bicycling
Why The Rad Power Bikes RadWagon Redefines E-Cargo

Aug 2019

Legit e-cargo bikes used to cost used-car money. Now there’s little reason to spend a dime over $1,500.

Read Review

Geometry
Specs
Build
Frame

6061 aluminum

Tire Clearance3"

Fork

Rigid steel fork for 22" wheel

Bottom Bracket

84 mm

Headset

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

Stem

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.

Handlebar

Swept-back, RPB custom

Saddle

Plush with lifting handle

Seatpost

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

TypeRigid

Pedals

forged aluminum platform with reflectors, standard 9/16" x 20 TPI threading

Grips

comfort rubber ergo grips

Groupset
Rear Derailleur

7-speed Shimano

Crank

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

Shifters

Shimano thumb shifter, 7-speed

Cassette

7-speed freewheel, 11-34T

Chain

Z7, 160 Link

Brakes

Tektro Aries (MD-M300)

TypeTektro Mechanical Disc

Brake Levers

Aluminum alloy comfort grip levers with motor cutoff switch

Wheels
Rims

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

Spokes

12 gauge, stainless steel

Tires

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

Disc Rotors

Tektro 180 mm front and rear

Electric Components
Motor

Geared Hub Motor with 5:1 Planetary Reduction

Battery

48V, 14 Ah (672 Wh) with Lithium NCA 18650 Samsung 35E cells, rated for 800 charge cycles

Display

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

Charger

48V, 2 Amp Rad Power Bikes smart charger, operates on 100V-240V AC power outlets

Accessories
Lights

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

Fenders

Full coverage front and rear fenders with hardware included

Racks

120 lb (54 kg)

Rider Notes
Riders Also Viewed

First added January 4

Last updated July 18

Not listed for 1,776 days