Co-op Cycles CTY e2.1 Electric Bike

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Color:Cobblestone Gray
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Quick, nimble and easy to ride, the Co-op Cycles CTY e2.1 electric bike makes getting around town breezy fun, with multimode pedal assist, a stable, upright ride and integrated cargo-ready rear rack.

  • Features

    • Low stand-over height design makes the bike easy to get on and off and easy to stabilize while standing at a stop
    • Upright riding position gives you great visibility; adjustable stem lets you fine-tune the cockpit to fit you
    • Shimano e5000 motor is the strong, silent type, offering 3 pedal-assist modes, plus a walk mode
    • Shimano E8014 418Wh battery comes equipped with an ABUS lock so you can feel confident parking it around town
    • Suntour front suspension fork smooths out the ride with 75mm of travel
    • 27.5 x 1.95 in. tires let you roll fast on city streets and roll over obstacles
    • Shimano hydraulic disc brakes deliver reliable, nuanced stopping power
    • Integrated rear rack facilitates grocery runs, commuting or adding a kid carrier; pannier compatible with a weight limit of 59 lbs
    • Included front and rear lights run on the battery so you don't need to think about keeping them charged
    • Battery charger included
    • Center kickstand is easy to use and super stable
    • 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


    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 Electric City Bikes
  • Technical Specs

    Best Use

    Urban Cycling

    E-Bike Classification

    Class 1: pedal assist up to 20 mph


    Shimano E5000 250W with Shimano E8014 36V/418Wh battery (max torque output 40Nm)

    Motor Type


    Motor Torque (Nm)

    40 Newton meters

    Battery Type

    Lithium Ion

    Battery Capacity (Wh)

    418 watt hours

    Battery Removable


    Charge Time (hrs)

    6.5 hours

    Pedal Assist Range

    50 miles

    Bike Frame Material



    6061 Aluminum


    S: Yes

    M: No

    L: No

    Bike Suspension

    Front Suspension


    Suntour MOBIE-A32

    Fork Travel

    75 millimeters


    Shimano FC-E5010

    Bottom Bracket



    Shimano Acera, Rapidfire plus, 9-speed

    Rear Derailleur

    Shimano Alivio RD-M3100, 9-speed

    Rear Cogs

    Shimano HG200; 11-34, 9-speed

    Number of Gears

    9 gear(s)

    Brake Type

    Hydraulic Disc Brake


    Shimano Altus

    Brake Levers



    Co-op Cycles double-wall, 36h

    Front Hub

    Shimano Alivio

    Rear Hub

    Shimano Alivio

    Wheel Size

    27.5 inches


    Schwalbe Big Ben 27.5 x 1.95 in.

    Tire Width

    1.95 inches

    Handlebar Shape

    Riser Bar


    Co-op Cycles 6061 aluminum


    Promax HQ adjustable

    Seat Post

    Co-op aluminum


    Co-op Comfort Plus with memory foam


    FPD alloy


    FSA sealed


    Shimano for e-bike


    50.5 pounds

    Bike Weight

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



  • Size Chart

    S M L
    Height Range 5'0"-5'6" 5'6"-5'9" 5'6"-6'3"
    Reach 370 380 390
    Stack 612 621 649
    Effective Top Tube 558 577 602
    Seat Tube Center-Top 375 425 475
    Standover Height 676 755 790
    Head Tube Length 135 145 175
    Head Tube Angle (degrees) 70 70 70
    Seat Tube Angle (degrees) 73 72.5 72
    Fork Offset 44 44 44

    Sizing Notes

    Measurements are stated in millimeters unless otherwise indicated.

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