RadWagon 4
Electric Cargo Bike
Top Speed
Geared Hub Motor
Kilometers per Charge (estimate)
Lithium-Ion Battery
Payload Capacity
Total Weight (incl. battery)
ASK AN EXPERT
Our expertly trained Customer Experience team is here to help.
+31 85 7470430 | +44 800 069 8513 (UK Toll Free)
Most popular accessories
Premium Headlight
€49,00
Ballard Cargo Bag 2.0
€79,00
GUB PRO-3 Phone Mount
€19,00
Handlebar Mitts
€79,00
Caboose
€149,00
Let Us Do the Heavy Lifting
The new RadWagon 4 250W is an electric cargo bike made to fit you! It’s the most versatile version of the RadWagon yet, featuring smaller wheels with wider tyres developed by our in-house team of experts to ensure improved stability, grip and handling, even when riding with a heavy load.
With a standover height that’s 6 cm lower than its predecessor, the lower center of gravity means it's easier to ride, easier to hop on and off, and more comfortable for your kids to climb aboard.
In black, orange or pearl, the versatility of the new RadWagon is abundant! No matter your height the telescopic seat post and adjustable handlebars makes it easy to adjust for short or tall riders. And with even more accessories to choose from, you can customise your Rad Ride to fit the needs of you and your household. Whether it's taking the kids on a trip across town, or a weekend visit to the hardware or grocery store. With a powerful 250W geared hub motor, the RadWagon 4 is in it for the long haul!
Technical specs
Smaller, Wider Tyres
All-new 22” x 3" tyres 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.
250W Geared Hub Motor
Fast durable power! Whether you’re running errands or enjoying a fun weekend ride, the RadWagon 4 250W Geared Hub Motor provides a good amount of low-end torque along with general durability. Making it the ideal option for this versatile ebike.
Telescoping Seatpost
Equipped with a telescoping seatpost with a 375 mm maximum length that’s capable of accommodating riders between 5'1" - 6'4".
Quick Adjustable Handlebars
An adjustable handlebar stem allows riders to customise the reach, height, and handlebar angle (up to 80 degrees) with zero tools.
7-Speed, 11-34 Tooth Freewheel
A wide range of gearing at your disposal means more torque for steep climbs and relaxed cruising at top speed.
Reflective Tyre Sidewall Striping
Extremely durable with a large total reflective surface ensuring optimal visibility during the evening or rainy weather.
Integrated Brake Light
Powered using the main battery pack and featuring brake light functionality that activates any time the brakes are applied.
Integrated Rear Rack
Attach panniers, platforms, or baskets and let the bike carry your cargo. Or mount a Yepp Maxi child seat, Caboose, or Deckhand to bring up to two kids along for the ride.
Twist Power Assist
Variable walk assist that takes the RadWagon 4 up to 6 km/h. Use the twist power assist to help you take-off from complete standstill, or propel the bike when you need that extra push.
180 mm Mechanical Disc Brakes
Tektro Aries brakes provide you with strong stopping power, even in loose or wet terrain.
48V, 14 Ah (672 Wh) with Lithium NMC Samsung 35, rated for 800 charge cycles
Charger
48V, 2 Amp Rad Power Bikes smart charger, operates on 230V AC power outlets
Controller
48V, 250W
Display
Backlit LCD with charge indicator, speedometer, odometer, trip odometer, pedal assist level, and more
250W Geared Hub Motor
Lights
Front: Rad Power Bikes branded standard LED
Rear: Integrated taillight with brake light indicator functionality
55-88+ km
Throttle
Half grip twist power assist up to 6 km/h without pedaling
Wiring
Water resistant connectors and wiring harness
USB Ports
Display: 5V, 1 Amp
Tektro Aries calliper (MD-M300)
Brake Levers
Aluminum alloy comfort grip levers with motor cutoff switch
Brake Pad Material
Metallic
Brake Rotors
Tektro 180 mm front and rear
Chain
KMC Z7, 160 Link
Crank Set
46T chainring; ProWheel Solid 170 mm crank length; square-taper J.I.S.; dual-sided chainring guard
Derailleur
7-spped Shimano Acera
Fenders
Full coverage front and rear fenders with hardware included
Fork
Rigid steel fork for 22" wheel
6061 Aluminum Mid-Step
Freewheel
DNP 7-speed freewheel, 11-34T
Gearing
1x7 speed
Grips
Velo comfort rubber ergo grips
Handlebar
Swept-back, RPB custom
Headset
Semi-integrated 1-1/8"
Kickstand
Dual leg, spring loaded, steel
Pedals
Wellgo B087 CrMo axle, forged aluminum platform with reflectors, standard 9/16" x 20 TPI threading
Racks
Optional
Shinning DB-X50, alloy, double wall, black powder coated, 36 hole
Saddle
Velo plush with lifting handle
Seatpost Clamp
Quick release
Shifter
Shimano SL-TX50-7R, thumb shifter, 7 speed
Spokes
12 gauge, stainless steel
Stem
Satori EZ3 AHS toolless adjustable handlebar stem with built in top cap bolt.
Tires
Rad Power Bikes, custom 22 x 3"
Manufacturer: VEE Tire Co.
155 cm -195 cm
Frame Size
342.9
Handlebar Height
1104 mm - 1198 mm
Handlebar Reach
550 - 635 mm
Seat Height
690 - 940 mm
Standover Height
600 mm
Total Length
2000 mm
1365.7 mm
Dropout Width
Front: 135 mm
Rear: 175 mm
Bottom Bracket Shell Width
84 mm
Seat Tube Length
345 mm
Chainstay
739 mm
700 mm
Crank Length
170 mm
Seatpost Diameter
31.8 mm
Max Tire Width
3.0"
Bike Weight
34.8 kg
Payload Capacity
158 kg
Rear Rack Capacity
54 kg
Running Boards Capacity
13kg per side
What to Measure
Your “real inseam” -- or inside leg length -- is the distance between your body where it sits on your bike saddle and the ground.
This will typically be an inch or two longer than the length of your trousers, but you’ll want to measure to be sure.
You’ll use this number on the chart to get a feel for how the different models will fit you.
How to Measure
Gather the tools needed:
- Medium-width hardcover book
- Tape measure
- A wall you can stand against
- A trusted friend or relative
Wearing your regular riding shoes and with your back to the wall, stand with your feet spread so there is about 7 inches between them - this is about the distance apart your feet would be when straddling a bike with your feet on the ground (standover height).
Place a hardcover book against the wall with the spine of the book facing upward. Slide the book upwards towards your groin until it is solidly against your body. This may be a bit awkward, but is way more comfortable -- and safer! -- than trying to ride a bike that is too big.
If you have a buddy helping you, get them to measure from the floor to the top of the book spine while you hold the book in place. If you’re going it alone, carefully hold the book in place and measure from the ground to the top of the book spine.
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A fuel gauge for your electrons.
Pedal Assist Level
The higher the number, the more the motor will boost you when you pedal.
USB Charging
5V, .5 Amp port to charge your phone or portable electronics on the go.
Calculate how many miles you didn't drive this year and how much money you saved on gas.
Speedometer
Can be set to current speed, max speed, or average speed.
Wattmeter
Shows how much power the motor is outputting at any given time.
The Rad Battery Pack
With over a decade of designing and building ebikes under our belts, we know that a high-capacity battery like this isn’t something you cheap out on. We designed and built our batteries using genuine Samsung 35E cells, which are some of the most energy-dense and reliable lithium-ion cells on the market today. These cells have allowed us to build an overall better battery, and at only 3.5 kg, it's one of the lightest and most energy-dense packs on any electric bike.
Kilometers per Charge
To Fully Charge
Total Battery Capacity
Powerful, Effective Geared Hub Motor
It’s easier than ever to haul heavy loads or multiple passengers with the RadWagon 4 geared hub motor. Accelerate quickly from a stop and brake with confidence — even if you’re riding with up to 158 kg total load.
Motor Power
Max Motor Torque
