Co-op Cycles CTY 2.1 Bike

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A keen choice for urban outings, the Co-op Cycles CTY 2.1 bike has a 3 x 8 drivetrain, hydraulic disc brakes and a shock-absorbing fork for bumpy city roads.

  • Features

    • Relaxed geometry puts you in a fully upright position, optimizing comfort and steering control as well as visibility in every direction
    • Suspension fork provides 63mm of travel to smooth out rough roads; you can lock the suspension out when it isn't needed to increase control
    • Reflective sidewalls enhance visibility
    • Riser handlebar puts your hands in a natural position to reduce strain
    • 24 smooth-shifting gears let you adapt to a variety of terrains and grades
    • Shimano M315 hydraulic disc brakes provide sure stopping power in variable weather
    • Ergonomic grips provide comfort and support hands
    • Accommodates a rear rack and fender (rack and fender sold separately)
    • Bicycle weight limit is 300 lbs. total, including rider + all gear carried on the bike and on the rider's body
    • 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 the Co-op Cycles CTY Product Line View all Co-op Cycles Hybrid Bikes
  • Technical Specs

    Best Use

    Urban Cycling





    Bike Suspension

    Front Suspension


    SR Suntour Nex HLO

    Fork Travel

    63 millimeters


    Shimano, 48/38/28

    Bottom Bracket



    Shimano Altus trigger shifters

    Front Derailleur

    Shimano Tourney FD-TY710-TS3

    Rear Derailleur

    Shimano Acera

    Rear Cogs

    Shimano HG41, 11-34, 8-speed

    Number of Gears


    Brake Type

    Hydraulic Disc Brake


    Shimano M315 hydraulic disc brake

    Brake Levers



    Co-op Cycles

    Front Hub

    Joytech, 32h

    Rear Hub

    Joytech, 32h

    Wheel Size



    Kenda Kick-Back, 700 x 40mm with reflective sidewall

    Tire Width

    40 millimeters

    Handlebar Shape

    Riser Bar


    6061 aluminum



    Seat Post

    6061 aluminum


    Selle Royal Shadow Plus with gel






    KMC Z8


    31 lbs. 2.4 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 366 374 379 393
    Stack 599 613 645 664
    Effective Top Tube 545 569 584 604
    Seat Tube Center-Top 400 450 500 550
    Standover Height 29 in. 31 in. 32 in. 34 in.
    Head Tube Length 110 130 165 185
    Head Tube Angle (degrees) 70 70 70 70
    Seat Tube Angle (degrees) 73.5 72.5 72.5 72.5
    Wheelbase 1054 1068 1087 1108
    Chainstay 450 450 450 450
    Fork Offset 44 44 44 44

    Sizing Notes

    Measurements are stated in millimeters unless otherwise indicated.

    How we measure bikes

    1. Standover Height Standover Height is a measurement from the ground to the top of the top tube, measured at the midpoint of the top tube.
    2. Reach Reach is the horizontal distance from the center of the cranks to the center of the head tube, measured at head tube level.
    3. Stack Stack is the vertical distance from the center of the cranks to the center of the head tube, measured to the top of the head tube.
    4. Effective Top Tube Effective top tube is the distance from the center of the head tube to the center of the seat tube/seat post, measured parallel to the ground.
    5. Seat Tube Center to Top Seat Tube length is the measurement of the seat tube, from the center of the cranks to the top of the seat tube.
    6. Head Tube Length Head Tube Length is measured from the bottom to the top of the head tube.
    7. Head Tube Angle Head Tube Angle is the acute angle between the head tube and the ground (measured towards the rear of the bike)
    8. Seat Tube Angle Seat Tube Angle is the acute angle between the seat tube and the ground (measured towards the rear of the bike).
    9. Bottom Bracket Height Bottom Bracket Height is a measurement taken vertically from the ground up to the center of the cranks.
    10. Wheelbase Wheelbase is the measurement from the center of the front axle to the center of the rear axle.
    11. Chainstay Length Chainstay Length is the measurement from the center of the cranks to the center of the rear axle.
    12. Fork Offset Fork Offset, or rake, is the distance from the front axle to a line drawn parallel to the center of the head tube or steering axis.
  • Reviews
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