Cannondale Trail 20 Kids' Bike - Emerald

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Size: 20 IN
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With its lightweight alloy frame, smooth suspension fork and easy gearing, the Cannondale Trail 20 kids' bike is ready to take to the trails for off-road adventures.

  • Features

    • Handlebar, grips, brake levers, saddle and cranks are designed specifically for little cyclists
    • Lower range gear ratios make it easier to start pedaling, easier to climb hills and a lot easier—on the parent—to run alongside with a steadying hand
    • To give little rippers every advantage over gravity, the lightweight, durable aluminum frameset is complemented by lightweight alloy components
    • Cannondale kids' bikes all feature an appropriately narrow, kid-size distance between the pedals to make riding easier
    • Each model in the kids' line has been designed to put the rider in the optimal position for control and comfort, making learning easier and riding more fun
    • 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 the Cannondale Trail Product Line View all Cannondale Kids' Mountain Bikes
  • Technical Specs

    Best Use

    Mountain Biking

    Mountain Bike Style


    Bike Frame Material



    SmartForm C3 alloy, smooth welding

    Bike Suspension

    Front Suspension


    SunTour XCT-JR 20, 40mm travel, 1-1/8 in. steerer, coil, with canti mounts

    Fork Travel

    40 millimeters


    Prowheel, Pro-V30, 110mm length, 30t

    Bottom Bracket

    Cartridge square taper


    Shimano Tourney Revo Twist Shifter, 7-speed

    Rear Derailleur

    Shimano Tourney

    Rear Cogs

    Shimano, 14-28, 7-speed FW

    Number of Gears

    7 gear(s)

    Brake Type

    Rim Brake


    Promax V-Brake, alloy linear pull

    Brake Levers

    Promax Alloy, linear pull


    Cannondale lightweight alloy, 20 in., 28h

    Front Hub

    KT Alloy, nutted axle

    Rear Hub

    KT Alloy, nutted axle, 7-speed freewheel

    Wheel Size

    20 inches


    Innova 20 x 1.95 in., multiuse tread

    Tire Width

    1.95 inches

    Handlebar Shape

    Riser Bar


    Lightweight alloy, 580mm wide, 25.4mm


    Alloy Ahead, 30mm

    Seat Post

    Lightweight alloy, 25.4mm


    Cannondale Ergo


    Wellgo Composite Platform with reflectors


    FSA, alloy, 1-1/8 in. Ahead, semi-integrated


    KMC Z7, 7-speed


    24 pounds

    Bike Weight

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



  • Size Chart

    20 IN
    Height Range 42"- 49"
    Reach 30.4
    Stack 44.8
    Effective Top Tube 45
    Seat Tube Center-Top 26
    Standover Height 51.7
    Head Tube Angle (degrees) 69.5
    Seat Tube Angle (degrees) 72
    Bottom Bracket Height 21.2
    Wheelbase 86.2
    Chainstay 36.5

    Sizing Notes

    Measurements are stated in centimeters 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.
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