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Jax Rev Folding Fat Tire Bike (Retrospec)

Jax Rev Folding Fat Tire Bike (Retrospec)

$1,399.00 Regular Price
$1,199.00Sale Price

Jax Rev packs down to the perfect compact, car-friendly size for your weekend adventures. A 37-mile battery range can handle even the longest of trips. Assisted start technology makes awkward starts and stops a thing of the past, and a 20 MPH top speed with extra stable, Fat 20 x 3.0 tires allow you to conquer any terrain on the way to work, the campsite, or anywhere in between.



    *Top speed

    *Up to 46 Miles of Range

    *500W-37 miles & 750W-46 miles

    *5 Pedal Assist Levels

    *Propel while pedaling

    *500 or 750W

    *Brushless rear hub motor


    *Li-ion battery

    *40x30x23” Collapsed

    *Easily pack up between adventures

    *Compact and Portable

    Folding frame easily collapses and folds to a car-friendly size.

    *Quick Access to Controls

    Handlebar-mounted LED control panel lets you select pedal assist level, monitor charge, and activate Start Aid for a 4mph boost at takeoff – no wobbly first pedal strokes.

    *Simple Riding, Low Maintenance

    Single speed drivetrain promotes easy riding and is low maintenance.

    *Press to Go

    Convenient thumb throttle puts 350/500W worth of power at your fingertips.

    *Durable, Long-Lasting, High Range

    Li-ion battery offers a range of up to 46 miles. Charges within 5-6 hours.

    *Off-Road Ready

    Fat 20x3.0 tires with large tread grip onto chattery terrain for enhanced stability.



    • Sizes1 size: 20"
    • MaterialAlloy, TIG welded
    • Dropouts2x rear dropout eyelets, 1x rear fender eyelet, rear rack mounts
    • ForkSuspension fork 80mm travel, alloy crown, steel stanchions, steel lowers, 1 1/8" (28.6mm)


    • RimsAlloy 20", 36H x 13G
    • HubsF: Steel bolt-on, R: Hub motor bolt-on, 36H x 13G
    • Spokes13G UCP w/brass nipples, black
    • Tires20 x 3.0, S/V


    • 48V/500W MotorBrushless rear hub motor, 9-pin connector
    • 48V/500W BatteryLi-ion + Charger w/US plug, w/power level display
    • 48V/750W MotorBrushless rear hub motor, 9-pin connector
    • 48V/750W BatteryLi-ion + Charger w/US plug, w/power level display
    • Drive Mode, DisplayPAS/throttle, speed sensor, LCD handlebar-mount display panel w/5 assistance levels, w/Start-Aid 6kph (~4mph)
    • ControllerYelchm Technology
    • Charge Time (empty to full)10.4Ah battery (500W): 5-6 hours
    • Charge Time (empty to full)13.0Ah battery (750W): 6-7 hours
    • Range 48V/500WUp to 37 miles
    • Range 48V/750WUp to 46 miles


    • CranksetAlloy 3-piece 152mm x 48T x 1/8", w/inside chainguide, outside chainring cover
    • ChainKMC 1/2 x 1/8"
    • BBSteel sealed cartridge, 100 x 159.5mm
    • Freewheel/Cog18T x 1/8"


    • HeadsetThreaded, steel, 1 1/8" (28.6mm)
    • BrakesJAX Mechanical disc Front & Rear, 160mm
    • HandlebarsAlloy low-rise, 580mmW x 25mm rise
    • GripsRetrospec Comfort
    • StemAlloy Folding QR
    • SaddleRetrospec SuperSoft Comfort
    • SeatpostAlloy w/integrated micro-adjust clamp, 27.2 x 350mm
    • Seatpost ClampAlloy QR
    • PedalsHigh Impact, Reinforced Nylon Resin Platform, 9/16"


    • KickstandAlloy chainstay mount
    • Rear CarrierSteel
    • BellAlloy
    • Light(s)Front (4x AAA) + Rear (2x AA), batteries included
    • FendersSteel w/steel stays
    • ChaincoverChainring cover
    • Item Weight63 lbs (battery included)
    • Recommended Weight Limit250lbs
    • CompatibleWith Retrospec Rover Trailers
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