Rad Power Bikes Radster Road Electric Bike
UL Certified
The Radster Road isn’t just the best commuter bike, it’s the perfect commuter bike. It can get you up to 28 mph when you’re running late, give you enough range to cover your entire town, and keep you feeling great for hours — thanks to two ergonomic frame options that prioritize rider comfort. And the best part? It’s just as fun and capable when the weekend rolls around.
Rider heights: Regular: 4'11"-5'8", Large: 5'7"-6'4"
Bike weight, Regular: 74.5 lb, 64.5 lb with battery removed
Bike weight, Large: 75 lb, 65 lb with battery removed
Payload: 320 lb, (290 lb. max rider
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Battery
15Ah 720 Wh Safe Shield Advanced Semi-Integrated Battery, Samsung 50GB or LG M50LT cells, UL Certified to UL-2271
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Charger
48VDC, 2 Amp Rad Power Bikes smart charger, operates on 100V-240V AC power outlets
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Class
Class switchable 1 to 3. Ships in Class 2 status.
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Display
Rad custom color display. See Display section below for details.
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Hub Motor
Rear hub 750W, 100 Nm torque
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: ~200 lumens LED headlight with built-in reflector
Rear: Integrated taillight with brake light and turn signals
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Pedal Assist
Torque sensor, 5 PAS Levels, plus a zero assist option
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Range
Estimated 25-65 miles per charge
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Throttle
Half twist throttle
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USB Ports
One USB-C port, located on remote
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Bell
Yes
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Brake System
Tektro Hydraulic Disc E350
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Brake Pads
Tektro Semi Metallic P20.11
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Brake Rotors
180 mm x 1.8 mm
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Crank Set
50T with dual sided chain ring cover, 170 mm crank arms
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Derailleur
Shimano 8-speed
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Fenders
Full coverage aluminum alloy fenders with chain guard
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Fork
SR Suntour hydraulic suspension fork, 80mm travel, tapered steerer tube, thru axle
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Frame
Aluminum
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Freewheel/Cassette
8-speed freewheel 11-34T
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Gearing
1x8 speed
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Grips
Ergonomic rubber comfort grips
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Handlebar
Aluminum, 710 mm wide
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Kickstand
Side mounted, adjustable angle kickstand
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Pedals
Alloy Platform, Boron axle with reflectors, standard 9/16" X 20 TPI threading
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Rear Rack
Integrated, 55 lb (25 kg) carrying capacity
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Saddle
Padded sport saddle with shallow anatomic cut-out and contoured sides
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Seatpost
Regular: 350 mm x 31.6 mm
Large: 400 mm x 31.6 mm
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Seatpost Clamp
38.1 mm
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Shifter
Shimano 8-speed thumb shifter
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Stem
70 mm A-head
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Tires
Kenda Kwick Series 29" X 2.2" with Puncture Protection and reflective strip
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Class level
Choose speed settings for your ride:
Class 1: up to 20 mph, throttle only works while pedaling.
Class 2: up to 20 mph while pedaling or throttling.
Class 3, Limited: up to 25 mph while pedaling.
Class 3: up to 28 mph while pedaling.
Remember: adhere to posted speed limits and check local regulations for any speed or ebike class restrictions on the road or trail you're using.
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Control lock
For an extra layer of security, lock and unlock the controls with the touch of a fob or a personal security code
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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.
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Estimated remaining range
Is it time to recharge? To help you keep track, this displays your remaining battery life in either percentage or remaining miles.
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Trip time
Did your trip feel like it was just half an hour, or did time fly by? This display will show you the time you spend on each outing. Be sure to reset your trip odometer before a ride you want to track.
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Pedal assist level
The higher the number, the more the motor will boost you when you pedal. This shows what level you’re on, from 0 to 5.
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Motor watts
Check out how much power the motor is supplying at any given time.
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Headlight, tail light, and rear turn signals
It’s always a bright idea to make sure your lights are on and operating.
Note: Rear turn signals can be manually turned off or will turn off automatically two minutes into use.
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USB charge indicator
Charging your device? This will confirm if your phone (or tablet, or smartwatch, or headphones, or …) is getting the juice it needs.