Retrospec Jax Rev

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Release Year
Charge Time
5, 6, 7 Hours
Maximum Range
46, 37 Miles
Top Speed
20 mph
500 W, 750 W
Volts and Amp Hours
48 V 10.4 Ah, 48 V 13.0 Ah
Wheel Size
Number of Gears
Gearing Type
63 lb
Brake Type
Frame Material

Summary of Reviews

We have read all expert and user reviews on the Retrospec Jax Rev. In summary, this is what cyclists think.

9 reasons to buy

  • Testers say the 750W Jax Rev is powerful.
  • The Jax Rev has an independent throttle.
  • Riders and reviewers report a comfortable ride, aboard the Jax Rev.
  • At 37mi (500W) to 46mi (750W), the Jax Rev has a decent range.
  • The Jax Rev comes with a rear rack, bell & front and rear fenders.
  • Testers find the Jax Rev’s understated style "attractive”.
  • The Jax Rev has a removable battery, for off-bike charging or security.
  • A key is needed to turn the battery on and operate the Jax Rev.
  • Battery-operated lights are provided.

8 reasons not to buy

  • With a delay in assist, the Jax Rev keeps moving after you’ve stopped pedaling.
  • The Jax Rev has an oversensitive throttle that lurches forward when activated.
  • Testers say the Jax Rev is too heavy to carry or to ride unpowered.
  • One tester’s pedal broke off.
  • Without gears, the Jax Rev feels undergeared.
  • Reviewers say the Jax Rev’s motor is noisy.
  • The Jax Rev usually requires additional tuning and assembly, from new.
  • For a tester, their disc brakes remained squeaky after professional mechanical adjustment and 3 months of use.

Bottom line

The Jax Rev, by Retrospec, is a Class 2 folding e-bike with knobby tires and suspension. It has a throttle and can reach 20mph. This setup makes it suited to riding on pavement, dirt, grass, or gravel. The 3.0” tires are just on the border of ‘fat’. Buyers have a choice of a 500W or 750W motor. A range of 37mi to 46mi is decent. The power offered is ample. It folds for storage but is too heavy to practically lift for one person. Testers noted problems with tuning, component reliability, and a lack of gearing. There is a significant delay reported in the activation and deactivation of pedal assist. The throttle’s action can be sudden and overpowering.

Expert Reviews

52/100 based on 2 rated expert reviews

Review: Retrospec Jax Rev

Comfy ride. Heaps of power. Solid brakes and suspension. Comes with accessories. Good range. The bike lost power. The pedal broke off. At level 2 assistance, pedaling with the Jax Rev still felt like pedaling through air, which was disconcerting.

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This review has been given a score. Read more here

In Review: The Retrospec Jax Rev Folding Electric Bike

I like this bike. It’s big, bold, and fun. It has a few fit and finish issues. As for complete portability this thing leaves a bit to be desired. It is not perfect right from the factory.

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Retrospec Jax Rev Folding E-Bike Unboxing & Review

It makes hills easier to climb, for sure. It was a little surprising the first time it took off on me. It kind-of lurches on you. But for a first ride, I’m very impressed.

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User Ratings

0/100 based on 0 ratings
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Compared to other bikes
#279 Best Electric
Bottom 10%
#54 Best Folding
Bottom 10%
#8 Best Retrospec Bike
Bottom 20%
#672 Best of All Bikes
Bottom 10%

Bike Comparison

Retrospec Jax Rev in comparison to averages

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