Rad Power Bikes Radster

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Release Year
Charge Time
8 Hours
Maximum Range
65 Miles
Top Speed
28 mph
750 W
100 Nm
Volts and Amp Hours
48V 15Ah
Wheel Size
Number of Gears
Gearing Type
74.5, 75, 77.5, 78 lb
Brake Type
Frame Material

Summary of Reviews

We have read all expert and user reviews on the Rad Power Bikes Radster. In summary, this is what cyclists think.

15 reasons to buy

  • The Radster is available in two builds: Trail and Road. Both come in two sizes.
  • Reviewers appreciate the stability of the 27.5” x 3” Kenda Havok tires (Trail).
  • The 29” x 2.2” Kenda Kwick tires (Road) earn praise for their efficiency on pavement.
  • Reviewers appreciate the Radster Trail’s versatility, providing a smooth ride on paved roads and light trails.
  • Experts find both Radster builds comfortable.
  • Testers relish the Radster’s climbing ability, thanks to the “powerful” 750W motor with 100Nm of torque.
  • Reviewers say they can comfortably maintain 28mph on flat stretches, with minimal difference in speed between the two builds.
  • In testing, range matches Rad Power Bikes’ rating of 35 miles in PAS 5 and 65 miles in PAS 1.
  • The Radster battery is UL 2271 Certified.
  • The Tektro hydraulic disc brakes demonstrate sufficient stopping power in brake tests.
  • The Radster has lights, integrated turn signals, fenders, and a rear rack rated for 55lb.
  • A large 50t chainring and 8-speed 11-34t cassette provide enough gearing to pedal at 28mph.
  • Reviewers say the torque sensor and hub-drive pairing is “responsive” and offers a “satisfying” ride.
  • The Radster can be configured to fit Class 1, 2, or 3 regulations.
  • The display shows the remaining range in miles allowing more accurate trip planning.

3 reasons not to buy

  • Reviewers are disappointed by the 2A charger and lengthy charge times.
  • Experts complain that the front fender doesn’t provide enough coverage.
  • Reviewers say the Radster Trail can only handle light off-roading and shouldn’t be used for actual trail mountain biking.

Bottom line

The Rad Power Bikes Radster is a commuter e-bike available in two builds with different wheelsets and handlebars. The Trail has 27.5” x 3” off-road tires; the Road has 29” x 2.2” street tires. Experts praise the “responsive” motor’s ability to hold high speeds and conquer climbs and the ample range from the 720Wh battery. Additionally, the comfort (especially of the trail build) and commuter functionality impress. The most notable complaint is the slow charging. Overall, the Radster earns high praise after short-term testing and experts consider it great value for commuting and “weekend adventures.”

Expert Reviews

94/100 based on 6 rated expert reviews
Electric Bike Report

Rad Power Bikes Radster Trail Review 2024

Whether you want to commute in the city or hit some mild trails on the weekends, the Radster Trail has you covered.

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Electric Bike Review

Rad Power Bikes Radster Road E-Bike Review, 2024

… every dollar is well-earned. From the 750W hub motor to the 720Wh Safe Shield battery to the 8-speed drivetrain and hydraulic disc brakes, this is a well-designed commuter.

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Electric Bike Review

Rad Power Bikes Radster Trail Review 2024

I’m blown away [by] the new Radster Trail… This is an exciting new model that is as versatile as it is powerful. From the frame to the motor to the wheel and tire choice…

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Electric Bike Report

Rad Power Bikes Radster Road Review, 2024

Thanks to a powerful motor and a responsive torque sensor, the Radster felt great to ride. These upgrades boosted the bike’s performance, with excellent speed and range test results and one of the best hill test results we’ve seen from a Rad Power bike.

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Ride Review | Micromobility Industries

Radster Trail Review: The Ultimate Blend of Utility and Adventure

The torque sensor is awesome. It’s perfectly tuned and quite responsive, providing an engaging and satisfying riding experience.

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Review: Rad Power Bikes Radster Road

I was wary of Rad Power Bikes for many years—it’s hard for a gear tester to set things aside like a bike arcing on you, or multiple lawsuits. However, it is clear that very many lessons have been learned over the past few years.

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User Ratings

0/100 based on 0 ratings
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Bike Comparison

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