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Retrospec Koa REV Plus 26 Electric Fat Tire Bike

Retrospec Koa REV Plus 26” Electric Fat Tire Bike
  • Color: Matte Black
  • Color: Matte Everglade
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Reach new heights with a fat tire e-bike that truly does it all. Koa Rev+ was designed to offer a comfortable ride on any terrain – its 4" heavy-duty Kenda tires have full-coverage puncture protection and can handle gravel, dirt, snow, and just about anything else that lies in the path ahead. This electric bike features a fully integrated battery that can be charged on or off the bike, a powerful motor to propel you up to 20mph for 45+ miles, a crystal clear full-color display, plus all the bells and whistles you need to make every ride a joyride.

Leave no trail unblazed

Get ready to explore uncharted territory with our sleekest, most modern fat tire electric bike. With the newest technologies seamlessly integrated to take you farther with more ease, this e-bike is the physical embodiment of “the latest and greatest.” But you don’t have to be an expert to love it – every last detail was intentionally designed to be user-friendly for riders of any skill level. Koa Rev+ thoughtfully pairs classic mountain bike features like wide tires and a suspension fork with powerful electric assets like pedal assist and throttle. Combine that with a frame geometry that allows for a more upright riding position, and you get a smooth, comfortable ride and the power to explore absolutely everywhere.


- Easy Access to Controls
The handlebar-mounted button pod controls everything, from the throttle to the lights, to walk mode, pedal assistance, & more. Keep track of it all with your eyes on the road using the easy-to-read, center-mounted color display.

- On- or Off-Bike Charging
This e-bike’s fully integrated battery is uniquely able to be charged both on and off the bike. It also uses LG 21700 cells to store more energy and offer up to 68 miles of range when fully charged.

- Off-Road Ready
Fat 26x4.0 Kenda tires are made with heavy-duty construction and full-coverage puncture protection, so you’ll get to experience stable, comfortable, and smooth rides on any terrain.

- Quiet, Consistent, Confident Braking
Tektro hydraulic disc brakes with e-bike-specific rotors offer reliable stopping power in any weather, so you can brake confidently.

- Stay Seen, Stay Safe
Integrated front and rear lights illuminate your path and help keep you safe while riding in low light. The headlight’s side illumination and the tail light’s brake indicator further improve the bike’s visibility.

- Tackle Inclines or Cruise Flats
With a robust, versatile Shimano 8-speed drivetrain.

Frame SizeRider Height (in)Standover Height (in)
One Size5'10" - 6'3" 35


Frame Alloy, 6061 TIG welded, hydroformed tubing
Fork Zoom suspension fork 80mm travel, with compression adjust and lockout
Rims Alloy 36H for disc brake
Hubs Alloy bolt on 17mm nut
Spokes 13G/2.3mm w/brass nipples
Tires 26 x 4.0, S/V
Bottom Bracket Steel sealed cartridge
Crankset 46T w/double alloy chainguard
Shifters Shimano Rapidfire Plus
Rear Derailleur Shimano Altus 8speed
Cassette/Freewheel Shimano 11-34T
Chain KMC Z8.1 3/32" x 118L
Brakes Tektro HD-E350 hydraulic with ebike 180mm rotors and semi-metalic pads
Handlebars Alloy 700mm
Tape/Grips Comfort with alloy lock rings
Stem Die-Casting alloy; 31.8mm barbore
Headset Threadless, 1 1/8"
Seatpost Alloy; 30.9mm diameter, 400mm length
Saddle SuperSoft MTB
Pedals Alloy platform 9/16"
Accessories & Extras Aluminum alloy kickstand
Front and Rear Lights Multi tool
Battery LG 21700 Li-Ion cells with 2 amp charger
Controller/Display PAS/Thumb throttle Left side , cadence sensor
Full color display with 6 levels of assist, anytime throttle and walk mode.

* Subject to change without notice.