Cannondale Synapse Tiagra Women's Bike

Color: Sherpa
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Your rides will go longer and you'll barely notice it when you're on the Cannondale Synapse Tiagra women's bike—it's that light, stiff, fast and surprisingly comfortable.

  • Features

    • SmartForm C2 alloy frame with full carbon fork delivers an exceptionally lightweight feel and high-performance quality
    • SAVE micro-suspension technology in the frame and fork insulates you from the bumps and vibrations of the road to keep you focused on the ride and connected to the road
    • Shimano Tiagra 2 x 10-speed drivetrain with an FSA Omega dual crank provides smooth and efficient shifting and excellent power transfer
    • Promax Decoder R mechanical disc brakes offer clean and powerful braking in all conditions
    • Internal cable routing provides easy maintenance while keeping riding area free of cable clutter
    • 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 Synapse Product LineView all Cannondale Endurance Bikes
  • Technical Specs

    Best Use

    Road Cycling


    SmartForm C2 alloy, SAVE, BB30, internal routing, flat mount


    BallisTec full carbon, integrated crown race, SAVE, internal routing

    Bike Suspension

    No Suspension


    FSA Omega ME alloy, 50/34

    Bottom Bracket

    FSA cartridge


    10-speed, Small Hands

    Front Derailleur

    Shimano Tiagra, braze-on

    Rear Derailleur

    Shimano Tiagra GS

    Rear Cogs

    11-34T, 10-speed

    Number of Gears

    20 gear(s)

    Brake Type

    Mechanical Disc Brake


    Promax Decoder R cable-actuated disc, 160/160 mm

    Brake Levers

    Shimano Tiagra


    RD 3.0, 28-hole

    Front Hub

    Formula CRX-512, 12 x 100 mm thru axle

    Rear Hub

    Formula DC-1422, 130 x 9 mm quick-release

    Wheel Size



    Vittoria Zaffiro, 700c x 30 mm

    Tire Width

    30 millimeters

    Handlebar Shape

    Drop Bar


    C4, 6061 alloy, Compact


    C4, 6061 alloy, 31.8 mm, 7 deg.

    Seat Post

    51 CM: 25.4 x 300 mm

    54 CM: 25.4 x 350 mm


    Cannondale Stage Ergo Women's


    Wellgo with clips and straps


    1-1/4 to 1-1/8 in. tapered steerer


    KMC X10EL, 10-speed


    22 lbs. 12.8 oz.

    Bike Weight

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



  • Size Chart

    44 CM48 CM51 CM54 CM
    Height Range5'0''-5'4''5'2''-5'6''5'5''-5'9''5'7''-5'9''
    Effective Top Tube50.551.753.154.7
    Seat Tube Center-Top4442.244.348
    Standover Height6870.172.275.5
    Head Tube Length10.412.314.315.9
    Head Tube Angle (degrees)70.270.87171.9
    Seat Tube Angle (degrees)74.774.674.373.9
    Bottom Bracket Height27272727.2
    Fork Offset6665

    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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