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Fear no trail when you're riding the Cannondale Cujo 1 27.5+ bike. A meticulously engineered frame, plus-size tires and confident handling will up your game—even on rocky, technical terrain.

  • Features

    • Trail-focused frame geometry delivers a stable, confident feel and control
    • Tapered head tube, 110x15mm thru-axle front hub and Boost QR rear hub all contribute to a solid feel and precise handling
    • 27.5+ wheels combine wide rims with big, 2.8 in. wide tires for traction and cushioned float on just about any trail surface
    • 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 Cannondale Hardtail Mountain Bikes
  • Technical Specs

    Best Use

    Mountain Biking

    Mountain Bike Style


    Bike Frame Material



    SmartForm C2 alloy

    Bike Suspension

    Front Suspension


    RockShox Recon RL, 120mm travel

    Fork Travel

    120 millimeters


    FSA Comet MegaExo, 30T

    Bottom Bracket

    FSA MegaExo


    Shimano SLX, 11-speed

    Rear Derailleur

    Shimano XT, 11-speed Shadow Plus

    Rear Cogs

    Sunrace 11-speed, 11 - 42

    Number of Gears

    11 gear(s)

    Brake Type

    Hydraulic Disc Brake


    Shimano MT400, 180/160mm rotors

    Brake Levers

    Shimano MT400


    WTB STX i35TCS, 32h, 35mm inner, tubeless-ready

    Front Hub

    Formula 110 x 15

    Rear Hub

    Formula with HG driver rear

    Wheel Size

    27.5+ inches


    WTB Ranger Comp, 27.5 x 2.8", DNA Compound

    Tire Width

    2.8 inches

    Handlebar Shape

    Riser Bar


    Cannondale C3 riser, alloy, 4mm upsweep, 9mm backsweep, 760 x 15mm


    Sunrace C4, 6061 Alloy, 1-1/8", 31.8mm, 5

    Seat Post

    TranzX dropper post, 31.6mm, 120mm drop, internal routing


    Cannondale Stage 3


    Cannondale platform


    Semi-integrated tapered


    KMC X11, 11-speed


    30 lbs. 1.9 oz.

    Bike Weight

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



    Dropper Post


  • Size Chart

    S M L XL
    Height Range 5'2" - 5'6" 5'6" - 5' 10" 5'10" - 6'1" 6'1" - 6'4"
    Reach 38.3 39.9 42.3 43.9
    Stack 62.7 64.5 64.5 65.9
    Effective Top Tube 57.1 59.3 61.7 63.7
    Seat Tube Center-Top 38.5 43.5 48.5 53.5
    Standover Height 74.6 78.5 81.6 85.2
    Head Tube Length 9.5 11.5 11.5 13.0
    Head Tube Angle (degrees) 68.5° 68.5° 68.5° 68.5°
    Seat Tube Angle (degrees) 73.3° 73.3° 73.3° 73.3°
    Bottom Bracket Height 30.8 30.8 30.8 30.8
    Wheelbase 109.8 112.2 114.6 116.7
    Chainstay 44.2 44.2 44.2 44.2
    Fork Offset 5.1 5.1 5.1 5.1

    Sizing Notes

    Measurements are stated in centimeters unless otherwise indicated.

  • Reviews
    9 reviews with an average rating of 4.4 out of 5 stars

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