Cannondale Jekyll Carbon 2 Bike - 2021

$3,679.93Compared to $4,600.00*
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Color: Graphite
Size: XL
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When you're ready to take your enduro riding to the next level, the Cannondale Jekyll Carbon 2 bike is the long-travel trail machine designed to handle challenging rides on the most demanding terrain.

  • Features

    • Unique suspension and frame design for one-of-a-kind looks
    • Shock tucks cleanly into the twin spar down tube, keeping the bike's center of gravity as low as possible for added stability
    • Cannondale Proportional Response design is completely customized by size, from the suspension layout to the geometry and length of the chainstays
    • High Main Pivot creates a bump-swallowing rearward axle path
    • Guidler idler pulley kills pedal kickback of high pivot systems
    • Front tires are 2.5 in.; rear tires are 2.4 in.
    • 4-bar linkage keeps braking smooth, traction high and pedaling crisp
    • Guardhouse down-tube protector helps protect your frame from roost and strikes, while letting water and debris pass through
    • Ai offset drivetrain delivers more tire and mud clearance in the swingarm and more even spoke angles for a stiffer, stronger rear wheel
    • Pedals not included
    • 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 Cannondale Jekyll Product LineView all Cannondale Full-Suspension Mountain Bikes
  • Technical Specs

    Best Use

    Mountain Biking

    Mountain Bike Style



    Carbon, Proportional Response Tuned, Guidler idler pulley/chainguide, ISCG05, Ai Offset

    Bike Suspension

    Full Suspension


    RockShox Zeb Select, 170 mm, 15x110 mm thru-axle, tapered steerer, 44 mm offset

    Fork Travel

    170 millimeters

    Rear Shock

    Fox Float DPX2 Performance EVOL, 205x65 Metric Trunnion, Air, 165 mm travel, 3-Pos adj.


    Shimano Deore 6120, 30T, 55 mm CL

    Bottom Bracket

    Shimano Deore BSA 73


    Shimano Deore M6100, 12-speed

    Rear Derailleur

    Shimano Deore M6100

    Rear Cogs

    Shimano Deore M6100, 10-51T, 12-speed

    Number of Gears

    12 gear(s)

    Brake Type

    Hydraulic Disc Brake


    Shimano M6120 hydraulic disc, 203/203 mm RT64 rotors

    Brake Levers

    Shimano M6120 hydraulic disc


    WTB STX i30 TCS, 32h, tubeless ready

    Front Hub

    Shimano MT400, 15x110 mm thru-axle

    Rear Hub

    Shimano MT410 12x148 mm thru-axle

    Wheel Size

    29 inches


    Front: Maxxis Assegai, dual compound, EXO+ puncture protection, tubeless ready/Rear: Maxxis Minion DHR II, EXO+, tubeless ready

    Tire Width

    2.5 inches

    2.4 inches

    Handlebar Shape

    Riser Bar


    Cannondale 3 Riser, 6061 Alloy, 30 mm rise, 8 deg. sweep, 6 deg. rise, 780 mm


    Cannondale 3, 6061 alloy, 31.8, 0 deg.

    Seat Post

    XL: TranzX dropper, internal routing, 31.6, 150 mm


    Cannondale Stage 3


    Not included


    Integrated Sealed Bearing, tapered


    Shimano Deore 6100, 12-speed

    Dropper Post






  • Size Chart

    Height Range5'2" - 5'5"5'4" - 5'9"5'8" - 6'0"5'11" - 6'5"
    Standover Height75.
    Head Tube Angle (degrees)
    Seat Tube Angle (degrees)77.577.577.577.5
    Bottom Bracket Height34.834.834.834.8

    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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