Precision in practice.
Every ebike receives a thorough 50-point inspection before it reaches your door. How in-depth is it? Even the screws are double-checked.
Brake confidently in any weather conditions.
Ride rain or shine. Every ebike comes with brakes tested for all-weather stopping ability.

Versatility in action
Your plans are flexible. You need an ebike that can keep up. With a halo headlight, durable, full-coverage fenders, and a 350 lb. payload capacity, the RadRunner 3 Plus is ready for anything.

Advanced and enhanced
A stress-free spin calls for stress-free tech. This is the first RadRunner to feature our sleek, semi-integrated battery, intuitive dual-screen display, and an optimized motor for 10 percent faster hill-climbing.
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Tailored to you
With over 350 accessory combinations, you can personalize your ride to fit your unique lifestyle. Keep your items under lock-and-key with the RadRunner 3 Console, or install our plush RadRunner 3 Passenger Package and bring a friend. The choice is all yours.

Miles and miles of comfort
Enjoy longer rides, whether you’re a rider or a passenger. The ergonomic step-thru frame, front suspension, and plush saddle maximize comfort, while the hydraulic disc brakes promise smooth, natural stops.
Size Guide
What to Measure
Your “bike 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

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
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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Battery
14Ah 672 Wh semi-integrated battery
Bikes shipped to NYC are compliant with UL 2849 and 2271.
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Charger
48V, 2 Amp Rad Power Bikes smart charger, operates on 100V-240V AC power outlets
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Display
LCD display. See Display section below for details.
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Hub Motor
Rear hub 750W
Stated wattage is the manufacturer’s rated power capacity. Actual power-to-ground wattage is under 750W to ensure ebike regulatory compliance and may vary depending on riding conditions.
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Lights
Auto-on feature
Front: LED headlight
Rear: Integrated taillight with brake light
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Pedal Assist
Pedal cadence sensor, 5 PAS levels, plus a zero assist option
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Range
Estimated 25-45+ miles per charge
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Throttle
Half twist throttle
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USB Ports
Optional, sold separately
To ensure uninterrupted shipping, some parts may differ from those listed. Rest assured, our engineers rigorously test each component to guarantee quality and compatibility.
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Bell
Yes
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Brake System
Tektro Hydraulic HD-E350
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Brake Pads
Semi-metallic
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Brake Rotors
Tektro 180 mm
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Crank Set
48T with dual-sided aluminum chainring guard, 170 mm crank arms
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Derailleur
7-speed Shimano
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Fenders
Full-coverage front and rear
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Fork
RST Spring Fork, 60 mm travel
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Frame
Aluminum
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Freewheel/Cassette
7-speed freewheel, 11-34T
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Gearing
1x7 speed
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Grips
Ergonomic comfort grips made of imitation leather
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Handlebar
Aluminum, 710 mm wide
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Kickstand
Charcoal & Pink: Center, dual leg, spring loaded, steel
Green: Side-mounted, adjustable lean angle
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Pedals
Forged aluminum platform, CrMo axle with reflectors, standard 9/16" x 20 TPI threading
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Rear Rack
Integrated, 120 lb (54 kg) carrying capacity
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Saddle
Moped-style saddle with extra padding
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Seatpost
390 mm x 27.2 mm
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Seatpost Clamp
31.8 mm
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Shifter
Shimano, 7-speed thumb shifter
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Stem
50 mm + 30º (35 mm rise)
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Tires
Kenda K905 20" x 3.3" with K-Shield puncture protection and reflective stripe
Geometry
Title |
Text |
Rider Heights |
4'11"-6'2" (150-188 cm) |
Bike Weight |
75.5 lb, 67.9 lb with battery removed |
Payload |
350 lb, 265 lb. max rider |
Rear Rack Payload |
120 lb |
Handlebar Height |
42.5" - 45.3" (108 - 110.5 cm) |
Reach |
13.8" (35 cm) |
Seat Height |
From ground: 31.5" - 43.3" From pedal bottom stroke: 28" - 37" |
Standover Height |
17" (43.5 cm) |
Total Length |
72.5" (184 cm) |
Wheelbase |
46.8" (1188.5 mm) |
Seat Tube Length |
17.5" (44.5 cm) |
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Battery Level
Take charge! See how much juice you have left while you plan the rest of your trip.
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Pedal Assist System Level
The higher the number, the more the motor will boost you when you pedal.
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Headlight-on Indicator
It’s always a bright idea to check and see if your headlights are on.
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Clock
Time flies when you’re having fun. Keep an eye on the time and how long you’ve been riding.
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Speedometer
Fast and Curious? The speedometer will tell you your current speed.
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Odometer
Track the distance you’ve racked up, either by trip or through the bike’s entire lifespan.