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This is what fun looks like—the Cannondale Trail SE 1 bike brings together new-school handling and mountain-ready components for a confidence-inspiring and fun ride on trails and gravel roads.

  • Features

    • A longer-travel 120 mm RockShox 35 Gold RL fork, wider 760 mm bars and a short stem set the tone, whether you're headed off-road for the first time or going farther afield
    • Equipped with aggressive 29 x 2.5 in. (front) and 2.3 in. (rear) tires, the Trail SE 1 is ready to handle even the biggest trails
    • Premium SmartForm C2 alloy frame offers lightweight, durable performance; tapered steerer tube is compatible with many of the best suspension forks
    • 1 x 12-speed shifting and TRP Slate G4 4-piston hydraulic disc brakes deliver capable off-road performance
    • Internally routed TranzX dropper seatpost lets you drop your saddle out of the way for the descents
    • New for 2021, progressive frame design blends the latest trail-ready geometry with dropped seatstays for improved ride quality and a leaner look
    • SAVE Micro-suspension delivers a smoother, more controlled ride, thanks to strategically engineered flex zones built into the frame's rear triangle
    • Enabled by Boost spacing, the Trail SE 1 bike's short chainstays position the rear wheel optimally for climbing traction and agile handling
    • A slacker-than-average 66.5° head angle increases handling stability for extra confidence when the trails point downhill
    • All Trail SE sizes come with 29er wheels to deliver the best blend of fit, fast and fun for every rider
    • For an integrated look and easy maintenance, the shift and dropper post cables route cleanly through the down tube's StraightShot window; rear brake line is externally routed
    • A sleek, hidden mount makes it easy to add a kickstand (not included) for around-town convenience
    • Integrated wheel sensor helps track your activity—like speed, route and distance info; register your bike and get reminded of needed service via the free Cannondale app
    • Specs and images are subject to change

    Imported.

    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

    Trail

    Bike Frame Material

    Aluminum

    Frame

    Smartform C2 alloy

    Bike Suspension

    Front Suspension

    Fork

    RockShox 35 Gold RL, 120 mm, Debonair, 15x110 thru axle, 51 mm offset

    Fork Travel

    120 millimeters

    Crankset

    SRAM SX Eagle Power Spline, 30t

    Bottom Bracket

    Truvativ Power Spline

    Shifters

    12-speed

    Rear Derailleur

    SRAM NX Eagle

    Rear Cogs

    11-50t, 12-speed

    Number of Gears

    12 gear(s)

    Brake Type

    Hydraulic Disc Brake

    Brakes

    TRP Slate G4 4-piston hydraulic disc, 180/160 mm rotors

    Brake Levers

    TRP hydraulic disc

    Rims

    WTB ST i29 TCS, 32 h, tubeless ready

    Front Hub

    Shimano MT400, 15x110 mm thru axle

    Rear Hub

    Shimano MT400 12x148 mm

    Wheel Size

    29 inches

    Tires

    Front: Maxxis Minion DHF, 29 x 2.5 in. Exo Casing, tubeless ready; rear: Maxxis High Roller II, 29 x 2.3 in., EXO casing, tubeless ready

    Tire Width

    2.5 inches

    2.3 inches

    Handlebar Shape

    Riser Bar

    Handlebar

    FSA Alloy Riser, 15 mm rise, 760 mm

    Stem

    Cannondale 3, 6061 Alloy, 31.8 mm, 0°

    Seat Post

    TranzX Dropper, 31.6 mm, internal routing, 130 mm

    Saddle

    Cannondale Ergo XC

    Pedals

    Cannondale Platform

    Headset

    Integrated Sealed Bearing, Tapered

    Chain

    SRAM NX Eagle, 12-speed

    Weight

    32 pounds

    Bike Weight

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

    Gender

    Unisex

    Dropper Post

    Yes

  • 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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