RadRover Step-Thru 1 Electric Fat Bike
Order Now - $1,499
RadRover Step-Thru 1
Electric Fat Bike
Shipping: Free to the lower 48 states

$200 off your purchase when you buy any 2 ebikes with code 2xEbikeCombo
View All Technical Specs

Hear from Real Rad Owners

"Shocked by the level of quality for the price. It’s amazing."
- Jeremy S.
"It's the best purchase I've made in years! Great customer service also!"
- Stephen S.
"This is an awesome bike. Has lots of power and handles wonderfully."
- Joanna P.

Most popular accessories

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Step-Thru to Adventure

We built the RadRover to go anywhere and do anything. Now, it’s designed to fit anyone.

Introducing the RadRover Step-Thru, a low-step electric fat bike that combines the rugged look and capabilities of our flagship model with a new frame style that meets the needs of all riders.

With a lower standover height and less distance between you and the handlebars, the RadRover Step-Thru makes it easier than ever to get on and get going -- all without sacrificing the power, strength, and durability that made the RadRover, its inspiration, North America’s best-selling electric fat bike.
See It In Action

Technical specs

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

48V, 2 Amp Rad Power Bikes smart charger, operates on both 110V and 230V AC power outlets

48V, 750W

Backlit LCD with charge indicator, speedometer, odometer, trip odometer, pedal assist level, wattmeter, and more
Hub Motor
750W brushless Bafang geared hub motor with 80 Nm of torque, 5:1 planetary gear reduction

Front: Standard Rad Power Bikes LED headlight
Rear: Integrated taillight with brake light

Pedal Assist
Intelligent 5 level pedal assist with 12 magnet cadence sensor
Half twist throttle

Water resistant connectors and wiring harness

USB Ports
Display: 5V, 1 Amp
Bike Components
Brake Calipers
Tektro Aries (MD-M300)

Brake Levers
Aluminum alloy comfort grip levers with motor cutoff switch and integrated bell

Brake Pad Material
Sintered metal

Brake Rotors
Tektro 180 mm front and rear


Crank Set
42T, 170 mm ProWheel Pioneer forged alloy, dual-sided aluminum bashguard

7-Speed Shimano Acera

Full coverage front and rear

RST spring fork with lockout and preload adjustment, 80 mm travel, 135 mm hub width, 9 mm quick release
6061 aluminum

DNP 7-speed freewheel, 11-34T

1 x 7-speed

Durable imitation leather ergo

Custom formed aluminum, 700 mm wide, 4" rise

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

Heavy-duty aluminum with wide plastic foot

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

Double wall, 36H

Velo Plush with lifting handle

Promax, 350 mm x 27.2 mm

Seatpost Clamp
Quick release

Shimano SL-TX50-7R thumb shifter, 7-speed

12-gauge stainless steel, black

50 mm + 30º (15 mm rise)

Rad Power Bikes by Kenda Juggernaut 26" x 4", K-Shield puncture-resistant liner
Geometry & Sizing
Recommended Rider Heights
5'4" - 6'2"

Frame Size

Handlebar Height

Handlebar Reach

Seat Height
28" - 37"
*Measured from bottom of the pedal stroke

Standover Height

Total Length

Dropout Width
Front: 135 mm
Rear: 170 mm

Bottom Bracket Shell Width
100 mm
Square Taper Bottom Bracket

Seat Tube Length

Top Tube Length (effective)


Handlebar Width
700mm (27.5")

Crank Length
170 mm

Seatpost Diameter
27.2 mm

Max Tire Width

Bike Weight
71 lb

Payload Capacity
275 lb
Key Features
7-Speed, 11-34 Tooth Freewheel
A wider range of gearing at your disposal means more torque for treacherous uphill climbs and maintain pedal authority at top speed.
Reflective Sidewall Striping
Extremely durable and have a larger total reflective surface and better visibility than traditional spoke mounted reflectors.
Integrated Brake Light
Powered using the main battery pack and features brake light functionality that is activated any time the brakes are applied.
750W Bafang Geared Hub Motor
80 Nm of torque to conquer hills and power through loose terrain like never before.
Front Suspension Fork
Our custom Rad Power Bikes RST suspension fork has 80 mm of travel, preload adjustment, and lockout.
Twist Grip Throttle
750W of power on-demand.
Low-Step Frame Design
Featuring a 20.25" stand over height, this bike is perfect for those needing a more approachable package without sacrificing features or functionality.
Display Technology
Battery Life
USB Charging
Pedal Assist Level
Battery Life
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, 1 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.

Can be set to current speed, max speed, or average speed.

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 7.7 lb, it's one of the lightest and most energy-dense packs on any electric bike.
Miles per Charge
5-6 Hours
To Fully Charge
672 Wh
Total Battery Capacity

Compact, Discreet, Maintenance-Free Hub Motor

With 750W and 80 Nm of torque at your disposal, this Bafang geared hub motor is what is going to help power you up steep inclines and get you up to top speed quickly from a dead stop, all while remaining quiet and inconspicuous. These kinds of numbers aren't even found on some of the most expensive mid drive systems out there, so prepare to outperform and outclass everyone you see on the road.
Motor Power
80 Nm
Max Motor Torque
Our RadRover community is rad. And massive.
@radpowerbikes #radrover #riderad
Looking for something more traditional?

The RadRover 5 is a great option if you want many of the same features as the RadRover Step-Thru but with a high step frame.
Explore RadRover

Customer Reviews

Based on 7 reviews

Very nice. Love it

Biking again

What a fabulous vehicle. I live in a hilly area and as I aged, didn't believe that I could bike and climb the hills that I need to to return home. This bike is a game changer. I am enjoying riding my bike to get to all the places I play tennis. I'm enjoying riding it on the horse trails to avoid traffic. I'm enjoying the exercise I get climbing the hills. I use the throttle mainly to get me started at a stop light. I use the gears and PAS for everything else. Even though I ride the horse trails, I have not made/used the adjustments for the front fork. Because I have to go down hill to leave my house, I anticipate heavy brake use. Can't get around that because for every hill there is a stop at the bottom...The bike with back rack and basket is about 75 lbs. and picks up speed all on it's own.
Totally fun!

Absolutely LOVE my RadRover ST Bike - Let the Adventure Await!

Best purchase to date. These are so much fun and absolutely love every second of riding my RadRover Step-Thru Electric Fat Tire bike. We live at a beach and it does so well in sand. My love got the RadRover Fat Tire and we have had the best adventures on our bikes and pumped for many many more. It is fun for both of us and now we have an activity we both enjoy together! We will be taking them with us on all our travels. We recommend these to everyone of all ages -- makes you feel like a kid again!

Great bikes.

We have a RadRover, Rad mini and a Rad city in our family. They are great bikes. We live in the desert area so we could ride quite a bit this winter and they all performed so well!

Super Fat Tire

This ebike is so much fun, I can go everywhere with it!😎 I live in Lee County, FL and they just opened a primitive bike trail that is awesome with this bike!

My second Rover!

So glad you came out with the Stepthru version! Many years of contact sports has made my body a bit less flexible so dismounting became a problem. With the Stepthru problem solved!

Love It!

When I first started looking at the RadRovers in June of 2019, I knew I wanted one but was thinking it would be to big for me, so I kept looking and waiting. And the next thing I knew it was 2020 and the RadRover Step-Thru was introduced. So I ordered it, and when it arrived I took it out of the box and was still wondering if I ordered the right one, because it is a big bike. Now that I have had it a while and have a few miles on it I love it and look forward to going for a ride.