Cannondale Trail SE 4 Women's Bike - 2021

Color:Purple/silver Fade
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Raise your game and ignite a passion for the trails. Combining new-school handling and mountain-ready components, the women's Cannondale Trail SE 4 bike inspires confidence without compromise.

  • Features

    • SmartForm C2 aluminum frame comes assembled with choice components for the trails
    • Progressive frame design blends the latest Trail-ready geometry with dropped seatstays for improved ride quality and a leaner look
    • SR Suntour XCM fork offers 120 mm of travel with remote lockout for bump-absorbing descents and efficient climbs
    • SAVE micro-suspension delivers a smoother, more controlled ride thanks to strategically engineered flex zones built into the frame's rear triangle
    • A slacker-than-average 66.5° head angle results in even more stable handling, giving you extra confidence when the trails point downhill
    • 1 x 10-speed Shimano Deore shifting offers efficient access to the gears you need
    • Enabled by Boost spacing, Trail's short chainstays position the rear wheel optimally for climbing traction and agile handling
    • Shimano MT200 hydraulic disc brakes provide reliable stopping power in all conditions
    • Features a tapered steerer tube for compatibility with the best suspension forks
    • Shift cables and dropper cable (not included) route cleanly through the StraightShot window in the down tube for easy maintenance; rear brake line is secured outside the frame
    • All Trail SE sizes come with 29 in. wheels
    • A sleek, hidden mount makes it easy to add a kickstand for around-town convenience
    • 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



    All-New, Smartform C2 Alloy

    Bike Suspension

    Front Suspension


    SR Suntour XCR, 120 mm, coil, 15 x 110 mm thru axle, 46 mm offset

    Fork Travel

    120 millimeters


    FSA Alpha Drive, 30T

    Bottom Bracket

    Cartridge square taper


    Shimano Deore M4100, 10-speed

    Rear Derailleur

    Shimano Deore M4100

    Rear Cogs

    Shimano Deore M4100, 11-46T, 10-speed

    Number of Gears

    10 gear(s)

    Brake Type

    Hydraulic Disc Brake


    Shimano MT200 hydraulic disc, 180/160 mm RT10 rotors

    Brake Levers

    Shimano MT200 hydraulic disc


    WTB STX i25 TCS, 32-hole, tubeless ready

    Front Hub

    Shimano MT400, 15 x 110 mm thru axle

    Rear Hub

    Shimano MT400 12 x 148 mm thru axle

    Wheel Size

    29 inches


    Front: WTB Breakout, 29 x 2.3 in.; rear: WTB Trail Boss, 29 x 2.25 in.

    Tire Width

    2.3 inches

    2.25 inches

    Handlebar Shape

    Riser Bar


    FSA Alloy Riser, 15 mm rise, 740 mm


    Cannondale 3, 6061 Alloy, 31.8, 0 deg.

    Seat Post

    Cannondale 3, 6061 Alloy, 31.6 x 350 mm (S), 400 mm (M-XL)


    Cannondale Women's Trail, 170 mm, steel rails


    Cannondale Platform


    Integrated sealed bearing, tapered


    KMC X10, 10-speed


    31 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
    Height Range 4'6"-5'2" 5'1"- 5'4" 5'4"- 5'8" 5'7"- 6'0" 6'0"- 6'3"
    Reach 36.7 38.5 41.5 44.0 46.5
    Stack 59.3 60.9 61.9 62.9 63.8
    Effective Top Tube 54.1 56.6 59.8 62.6 65.3
    Seat Tube Center-Top 36.0 39.0 44.0 47.0 52.0
    Standover Height 72.9 75.4 78.8 80.9 84.3
    Head Tube Length 9.0 9.0 10.0 11.0 12.0
    Head Tube Angle (degrees) 66.5 ° 66.5 ° 66.5 ° 66.5 ° 66.5 °
    Seat Tube Angle (degrees) 74.0 ° 74.0 ° 74.0° 74.0 ° 74.0 °
    Bottom Bracket Height 31.7 31.8 31.8 31.8 31.8
    Wheelbase 108.3 111.1 114.4 117.3 120.2
    Chainstay 43.5 43.5 43.5 43.5 43.5
    Fork Offset 5.1 5.1 5.1 5.1 5.1

    Sizing Notes

    Measurements are stated in centimeters unless otherwise indicated.

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