RadExpand™ 5 Electric Folding Bike – RAD POWER BIKES



Our fan-favorite folding ebike has fat tires to tackle adventures and a small profile for easy storage. Featuring a step-thru frame, you can customize your ride with adjustable handlebars, seven speeds, and four levels of pedal-assist.

Speedometer icon to represent the top speed of this electric bike model

Top speed 20 mph

Battery icon with a lightning bolt to represent the max range of this electric bike model

Range 45+ miles

Lightning bolt icon to represent the motor power of the electric bike

Power 750W

Icon of a weight to represent the payload capacity of the electric bike

Payload 275 lb

Shield icon to represent the warranty for Rad Power Bikes electric bikes

Warranty 2-year

Remarkable rides.

Our rugged fold-and-go model is built for big fun — and small spaces.




“I love the fact that this is such an approachable and affordable bike.”

Electric Bike Review

“The most exciting e-bike of 2022 is way cheaper than you’d expect.”


What’s the range?

Up to 45+ miles per charge

How much can it carry?

275 lb.

How powerful is the motor?


Ebikes built to handle your everyday.

Size guide

Tailor-fit comfort. For every rider.

30” bike inseam

Slide the scale for your bike inseam measurement

RadExpand 5

You will be able to pedal and stand over the frame comfortably.


Katya’s measurements: bike inseam 30″/ 76cm, height 5’4’/ 163cm

Jon’s measurements: bike inseam 30″/ 76cm, height 5’7″/ 170cm
5'8' female sitting on the RadExpand 5 Electric Folding Bike
Tambrie’s measurements: bike inseam 33″/ 83cm, height 5’8″/ 173cm

Mark’s measurements: bike inseam 32″/ 81cm, height 6’0″/ 183cm

Dive deeper

Select a feature to explore in detail.

RadExpand 5 handlebars with adjustable riser bar
The adjustable riser bar allows you to personalize your fit, with handlebars that move in and out for comfort.
Close up rear view of a RadExpand 5, showing the included rear rack

Included rear rack

No need to purchase a separate rack – the high quality included rear rack complements the bike’s 275-lb. payload capacity.

Folding mechanism

A custom folding mechanism helps you fold your ebike for storage and easy travel.

RadExpand 5 geared hub motor

Geared hub motor

Climb hills and zip across intersections powered by our Rad-engineered 750W motor, designed in-house to help you go steeper at lower speeds.

Side view of a black RadExpand 5 electric folding bike

Design driven

Each piece designed for a purpose.

Woman walking out of store with a cup of coffee and books, walking towards her step-thru RadExpand folding electric bike

Easy to get on & off

As the smallest ebike in our lineup, you can simply step thru and ride. No need to swing your leg over the saddle — or struggle to make it over your gear.

A man carries a folded RadExpand ebike out of a trailer

We lightened the load

Our engineers zeroed in on reducing the bike’s weight, making it even easier to fold, lift, and store.

Close up of the wide front tire on a RadExpand ebike

Fearlessly fun

Dirt-caked roads, look out. Rugged fat tires help you tackle rough terrain.

A man relaxes in an RV next to a folded black RadExpand ebike

An RV-ready ebike

In a tight spot? The RadExpand is a smart fit for RVs, small apartments, or anywhere else you may be short on space.

Works great with

Get ready to ride.

Rad accessories

So many ways to ride rad.

RadExpand electric folding bike with handlebar bag, large front basket, large basket roll top liner and phone mount installed.
Black RadExpand with a phone mount, mirror, small basket and fat tire wheel lock installed.
Black RadExpand with a phone mount, mirror, large front basket, and fat tire lock installed.
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Going on an adventure

Enhance your journeys. Enhance your possibilities.

Shop Accessories

The essentials

The must-haves that ensure every ride is a great one.

Shop Accessories

Daily commuter

Get where you need to go with the right accessories for errands and commuting.

Shop Accessories

Smiling woman in a pink helmet riding a RadExpand electric folding bike, which is outfitted with a basket, basket bag and mirror.
Safety & quality

Engineered to put safety first

Explore our first-class safety features for all rider types.

Close-up of grip and brake lever on a Rad Power Bike.

See and be seen.

Safety is paramount to Rad engineers. Reflective striping is incorporated on tire sidewalls, plus LED headlights and taillights come standard on every model.

Image of a Rad Power Bike with its headlight on.

Precision in practice.

Every eike receives a thorough 50-point inspection before it reaches your door. How in-depth is it? Even the screws are double-checked.

Image detail of the drive train on a Rad Power Bike

Brake confidently in any weather conditions.

Ride rain or shine. Every ebike comes with brakes tested for all-weather stopping ability.

Safety certified

Rad frames are designed to meet international standards, including the guidelines set by the U.S Consumer Product Safety Commission and European Committee for Standardization

Detail of raindrops on the brakes of a Rad Power Bike

Reliable service and support.

Free, fast shipping

Wait less, ride more. Enjoy fast, free shipping on all ebike orders.

Learn More

2-year warranty

Ride in confidence. We’ve got you covered.

Learn More

Book & magnifying glass icon representing the Rad help center
Additional information
Weight 1 lbs
Dimensions 1 × 1 × 1 in