Retrospec Koa Rev 2

86/100
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Facts

Gender
Release Year
Brand
Charge Time
5.5 Hours
Maximum Range
52 Miles
Top Speed
28 mph
Watts
500 W
Torque
55 Nm
Volts and Amp Hours
48V 10.4Ah
Class
Drive
Wheel Size
Number of Gears
Gearing Type
Weight
69.1 lb
Suspension
Brake Type
Frame Material

Summary of Reviews

We have read all expert and user reviews on the Retrospec Koa Rev 2. In summary, this is what cyclists think.

10 reasons to buy

  • The Koa Rev 2 is available in a step-over or step-through frame.
  • Multiple testers get more than 40mi in PAS 1 and 20mi in PAS 6. Though these results fall short of the stated 52mi range, experts deem them respectable and practical.
  • Reviewers say the 4” wide fat tires and suspension fork do a good job of absorbing most bumps.
  • Experts appreciate the combination of agile handling and stability, thanks to the 700mm handlebar and fat tires.
  • Testers are impressed by the instant motor engagement and smooth, controlled power delivery from both throttle and PAS.
  • In testing, the Tektro mechanical disc brakes demonstrate better stopping power than the brakes on similar e-bikes.
  • The Koa Rev 2 can be set to Class 2 (20mph) or Class 3 (28mph) operation.
  • Reviewers find the upright seating position comfortable.
  • Testers are pleased with the 26” x 4” knobby tires' traction on mixed surfaces.
  • The Koa Rev 2 has a headlight, a taillight with brake activation, and fenders.

6 reasons not to buy

  • Retrospec publishes no useful data on rider fitment or the bike's geometry or weight. Getting information out of them is like pulling teeth.
  • Testers find the Koa Rev 2 can’t climb a 12% incline using the throttle, and is very slow using PAS.
  • A 230lb tester finds the suspension fork too soft, even after increasing the preload.
  • An expert reports ghost pedaling from around 25mph.
  • Reviewers 6' and taller find the reach too short. The high minimum seat heights of 35" (step-over) and 32.5" (step-through) make the bike too big for smaller riders.
  • A reviewer highlights the risk of damage to the exposed cadence-sensor wire hanging under the bottom bracket.

Bottom line

The Retrospec Koa Rev 2 is a fat tire e-bike with a 500W motor and 500Wh battery. It is available as a step-over or step-through. Reviewers praise the agile yet stable handling, strong brakes, comfortable ride, and smooth, responsive power delivery. Battery range is decent, but the bike struggles up steep hills. Reviewers are less impressed by the too-soft suspension fork, ghost pedaling, and uninspiring design. Also, Retrospec provides no guidance whatsoever on geometry or rider fit. Overall, experts think the Koa Rev 2 is good value as a no-frills ride for pavement and smooth trails.

Expert Reviews

90/100 based on 1 rated expert review
90
Electric Bike Report

Retrospec Koa Rev 2 ST Review | Stable & Simple

This bike is different. It focuses on the basics, keeps costs relatively low, and delivers on the fundamentals of a fun, safe, and secure ride.

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Electric Bike Review

Retrospec Koa Rev 2 Review: Simplicity Meets Value

But, aside from those small issues? The Retrospec Koa Rev 2 brings a fun ride at an approachable price with a spec lineup that seems to deliver a reliable and stable ride.

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Electric Bike Journal

Retrospec Koa Rev 2

Overall, the Koa Rev 2 has been absolutely pleasant to ride around and makes for easy cruising both on and off-road.

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User Ratings

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Bike Comparison

Retrospec Koa Rev 2 in comparison to averages

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