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Head for the hills and satisfy your thirst for adventure with the Cannondale Catalyst 3 bike. A lightweight alloy frame, sporty riding position and wide gear range let you trails with confidence.

  • Features

    • Cannondale aluminum expertise delivers a light, refined, great feeling bike with the versatility to tackle virtually any terrain
    • With features including front suspension, disc brakes and integrated rack and fender mounts, the Catalyst is versatile and composed on any surface, in any conditions
    • SAVE rear triangle features our proprietary flattened and shaped seat and chain stays to absorb bumps and vibration
    • 27.5 in. wheels deliver a great mixture of agility and control for the right combination of fast and fun
    • Reliable Shimano Tourney 7-speed derailleur and triple chainring crank provide 21 hill-taming gears
    • SR Suntour M3030 front suspension fork smooths out the bumps with 75mm of travel
    • Cable-actuated disc brakes are powerful and easy to maintain
    • Tires with low-profile knobs roll well both on and off road
    • 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



    Catalyst, SmartForm C3 Alloy, 1-1/8 head tube, rack and fender mounts, 27.5"

    Bike Suspension

    Front Suspension


    SR Suntour M3030, Coil

    Fork Travel

    75 millimeters


    Prowheel, 42/34/24

    Bottom Bracket

    Sealed Bearing BSA


    Shimano Easy Fire EF41, 3x7

    Front Derailleur

    Shimano Tourney, 31.8 clamp

    Rear Derailleur

    Shimano Tourney

    Rear Cogs

    Sunrace, 14-34, 7-speed, FW

    Number of Gears

    21 gear(s)

    Brake Type

    Mechanical Disc Brake


    Tektro cable actuated disc, 160/160mm

    Brake Levers

    Shimano EF41


    WTB SX19, 32h

    Front Hub

    Formula QR

    Rear Hub

    Formula QR

    Wheel Size

    27.5 inches


    Freedom Transition Sport 27.5 x 2.25"

    Tire Width

    2.25 inches

    Handlebar Shape

    Riser Bar


    Cannondale Riser, 6061 Alloy, 25mm rise, 8° sweep, 6° rise, 700mm


    Cannondale Alloy, 1-1/8", 28.6, 8°

    Seat Post

    Cannondale Alloy, 27.2 x 350mm


    Cannondale Stage 2


    Cannondale Platform


    Semi-integrated, threadless, 1-1/8"


    KMC Z51, 7-speed


    32 lbs. 4.8 oz.

    Bike Weight

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



  • Size Chart

    XS S M L XL
    Reach 36.2/14.3 41.4/16.3 43/16.9 44.7/17.6 46.3/18.2
    Stack 58.2/22.9 59.4/23.4 60.8/23.9 62.9/24.8 65.2/25.7
    Effective Top Tube 54/21.3 59.5/23.4 61/24 63.3/24.9 65/25.6
    Seat Tube Center-Top 33/13 38.1/15 43.2/17 48.2/19 53.3/21
    Standover Height 67.6/26.6 71.0/28.0 74.9/29.5 79.1/31.1 83.3/32.8
    Head Tube Length 9/3.5 10/3.9 11.5/4.5 13.5/5.3 16/6.3
    Head Tube Angle (degrees) 69.5° 70° 70° 70.5° 70.5°
    Seat Tube Angle (degrees) 73° 73° 73.5° 73.5° 74°
    Bottom Bracket Height 30.5/12 30.5/12 30.5/12 30.5/12 30.5/12
    Wheelbase 103.9/40.9 108.9/42.9 111.1/43.7 112.9/44.4 115.4/45.4
    Chainstay 43.5/17.1 43.5/17.1 43.5/17.1 43.5/17.1 43.5/17.1
    Fork Offset 4.5/1.8 4.5/1.8 4.5/1.8 4.5/1.8 4.5/1.8

    Sizing Notes

    Measurements are stated in centimeter/inch format unless otherwise indicated.

  • Reviews
    5 reviews with an average rating of 3.4 out of 5 stars

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