Tern Verge D9 Folding Bike

Size: One Size
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Equipped with 451 wheels and a 1 x 9-speed drivetrain, the Tern Verge D9 folding bike efficiently handles the daily ride with exceptional performance in a compact design that feels full-size.

  • Features

    • T-Tuned™ geometry allows riders greater comfort and stability
    • 451 (20 in.) wheels with 37 mm (1-3/8 in.) tires offer a steadier and more powerful feel than the typical compact folded sizes
    • 1x drivetrain with a wide-range 11–36-tooth 9-speed cassette offers exceptional riding versatility for any challenging hills and obstacles
    • Shimano hydraulic disc brakes provide efficient braking power in all types of weather and conditions
    • Folding technology compacts in just 10 seconds so you can transition from riding the bike to riding transit with ease; also makes for easy storage in small living spaces
    • Tern Porter™ saddle with patented GripPad design provides for easy shoulder-mounted bike carrying
    • Specs and images are subject to change


    This bike comes with Coast to Coast Support, which includes:
    • 1 year of free adjustments (see more below)
    • In-store bike assembly
    • Pickup in store or curbside
    • Bike experts available at 170+ bike shops
    REI Co-op Members get more:
    • Free flat tire repairs (labor only; parts not included)
    • 20% off shop services
    More about our free adjustments:
    New bikes go through a normal break-in period, after which they should be readjusted. All bicycles sold at REI include free adjustments for one year after purchase date—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation and chain lubrication. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.

    View all Tern Folding Bikes
  • Technical Specs

    Best Use

    Recreational Cycling


    Hydroformed aluminum, OCL+ joint



    Bike Suspension

    No Suspension


    Integrated, hi-tensile steel, for disc


    6061 aluminum, 53T

    Bottom Bracket

    Cartridge, sealed bearings


    Shimano 9-speed trigger

    Rear Derailleur

    Shimano Acera, Shadow RD

    Rear Cogs

    11-36T, 9-speed

    Number of Gears

    9 gear(s)

    Brake Type

    Hydraulic Disc Brake


    Shimano, hydraulic disc

    Brake Levers

    Shimano, hydraulic disc


    Double wall aluminum

    Front Hub

    Shimano disc

    Rear Hub

    Shimano disc

    Wheel Size

    20 inches


    CST, 20 x 1-3/8 in. (37-451), light tanwall, 60 TPI

    Tire Width

    37 millimeters

    Handlebar Shape

    Flat Bar


    6061 aluminum


    Syntace VRO, adjustable

    Seat Post

    6061 aluminum with micro-adjust clamp


    Tern Porter


    Folding alloy body


    Flux, cartridge bearings, Physis integrated


    KMC 9 speed


    28 lbs. 3.2 oz.

    Bike Weight

    Bike weight is based on median size, as sold, or the average of two median sizes.




    Contains recycled materials

  • Reviews
    3 reviews with an average rating of 4.0 out of 5 stars

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