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Fast and comfortable spinning down the highway, the Co-op cycles ADV 2.1 bike doesn't flinch when you leave the pavement behind—it just digs in and grinds gravel.

  • Features

    • Aluminum frame and carbon fork balance durability and light weight—durability so you can carry a kit and lightness so you can climb with ease
    • Shimano Claris 2 x 8 drivetrain with compact double cranks provides an excellent range of gears for both speed and power
    • Promax mechanical disc brakes deliver powerful, reliable speed control
    • 12° flared handlebars gives you a wider and more upright hold
    • Kenda Flintridge 700c x 35mm tires are built for speed with a clean centerline for efficiency on hardpack terrain and shoulder knobs for grip on gravel
    • All-gender fit simplifies the buying process and fits riders 5'0"–6'3"
    • ADVs are our adventure bikes: This one is made for riders ready to make the leap to gravel, with a focus on solid components for on-and off-road riding
    • Add a frame bag or rear rack to extend your adventure overnight (bag and rack not included)
    • Pedals not included; specs and images are subject to change


    Free Adjustment Period:
    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 Co-op Cycles Adventure Touring Bikes
  • Technical Specs

    Best Use

    Road Cycling


    Bike Frame Material



    Double-butted 6061 aluminum


    Carbon with 1-1/8 to 1-1/2 tapered steerer tube

    Bike Suspension

    No Suspension


    Shimano FC-RS200, 50-34t

    Bottom Bracket

    Shimano UN26


    Shimano Claris

    Front Derailleur

    Shimano Claris

    Rear Derailleur

    Shimano Claris

    Rear Cogs

    Shimano Claris, 8-speed

    Number of Gears


    Brake Type

    Mechanical Disc Brake


    Promax DSK-718R cable actuated dual piston

    Brake Levers



    WTB ST i19 TCS 2.0 (tubeless ready)

    Front Hub

    DM 32H, 12mm thru axle

    Rear Hub

    DM 32H, 12mm thru axle

    Wheel Size



    Kenda Flintridge 700c x 35mm with reflective patch

    Tire Width

    35 millimeters

    Handlebar Shape

    Drop Bar


    Co-op Cycles 12-degree flared


    Co-op Cycles 6061 aluminum

    Seat Post

    Promax 6061 aluminum


    WTB Silverado Comp


    Not included


    Integrated 1-1/8 x 1-1/2 in. tapered


    KMC HG40


    23.5 pounds

    Bike Weight

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



  • Size Chart

    XS S M L XL
    Height Range 5' - 5' 3" 5' 3" - 5' 6" 5' 6" - 5' 9" 5' 9" - 6' 6' - 6' 3"
    Reach 373 380 386 394 404
    Stack 521 532 554 571 592
    Effective Top Tube 513 528 545 563 585
    Seat Tube Center-Top 385 435 470 510 545
    Standover Height 698.5 727 756 785 811
    Head Tube Angle (degrees) 70 70.5 71.5 71.5 72
    Seat Tube Angle (degrees) 75 74.5 74 73.5 73
    Wheelbase 1022 1029 1029 1040 1045
    Chainstay 432 432 432 432 432
    Fork Offset 55 55 50 50 50

    Sizing Notes

    Measurements are stated in millimeters, unless otherwise indicated

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