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Spend the day riding paved and gravel roads with the Co-op Cycles ARD 1.2 bike, which features a reliable Shimano 105 drivetrain, dual-piston mechanical disc brakes, and rear rack compatibility.

  • Features

    • Aluminum frame and full-carbon fork offer long-lasting toughness at a low weight
    • A front thru-axle adds extra control to every trip
    • Dual-piston mechanical disc brakes offer reliable stopping power on or off-road, regardless of weather conditions
    • Versatile Shimano 105 2 x 11 drivetrain offers smooth, precise shifting for big climbs and long straightaways
    • High-quality, lightweight Co-op Cycles wheelset delivers top-of-the-line performance; fits 700x28 tires
    • Bicycle weight limit is 300 lbs. total, including rider + all gear carried on the bike and on the rider's body
    • Pedals sold separately; specs 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 Endurance Bikes
  • Technical Specs

    Best Use

    Road Cycling

    Bike Frame Material



    Co-op Cycles 6061 double-butted aluminum frame


    One-piece carbon fork, tapered carbon steerer for flat mount disc, includes fender mounts

    Bike Suspension

    No Suspension


    Shimano RS500, 50X34T

    Bottom Bracket



    Shimano 105

    Front Derailleur

    Shimano 105, band type

    Rear Derailleur

    Shimano 105

    Rear Cogs

    Shimano 105, 11-32, 11 speed

    Number of Gears


    Brake Type

    Mechanical Disc Brake


    TRP Spyre-C flat mount dual piston mechanical disc brake

    Brake Levers

    Shimano 105


    Co-op Cycles, 32 hole

    Front Hub

    Co-op Cycles 12mm thru-axle

    Rear Hub

    Co-op Cycles QR

    Wheel Size



    DONNELLY Strada LGG 700 x 28mm

    Tire Width

    28 millimeters

    Handlebar Shape

    Drop Bar


    Co-op Cycles aero-ergo design; 31.8mm; 12 degree flare


    Co-op Cycles 6061 aluminum, 31.8, 6 degree

    Seat Post

    Co-op Cycles 6016, 31.6


    Co-op Cycles, chromoly rail


    Sold separately


    Integrated headset - 1.18 upper/1.5 lower


    Shimano 105, 11-speed


    22 lbs. 0.3 oz.

    Bike Weight

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



  • Size Chart

    S M L XL
    Height Range 5'3" - 5'6" 5'6"- 5'9" 5'9" - 6'0" 6'0" - 6'3"
    Reach 378 380 384 394
    Stack 540 564 588 607
    Effective Top Tube 525 540 560 580
    Seat Tube Center-Top 440 490 520 550
    Standover Height 728 763 787 813
    Head Tube Length 130 155 180 200
    Head Tube Angle (degrees) 71.5 72.3 72.3 73
    Seat Tube Angle (degrees) 75 74 73.3 73
    Wheelbase 1003 1003 1011 1021
    Chainstay 420 420 420 420
    Fork Offset 50 50 45 45

    Sizing Notes

    Measurements are stated in millimeters unless otherwise indicated.

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