Cannondale Synapse 105 Bike

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Light, stiff, fast and built for endurance, the Cannondale Synapse 105 bike is so comfortable that you'll barely notice as your rides get longer.

  • Features

    • SmartForm C2 Alloy construction and full carbon fork deliver exceptionally light weight and a high-performance feel
    • Shimano 105 group and FSA Gossamer crank offer reliable shifting and power transfer
    • TRP Spyre-C mechanical disc brakes provide reliable stopping power for varied conditions
    • Pedals not included
    • 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 the Cannondale Synapse Product Line View all Cannondale Endurance Bikes
  • Technical Specs

    Best Use

    Road Cycling

    Bike Frame Material

    Aluminum

    Frame

    SmartForm C2 Alloy

    Fork

    BallisTec Full Carbon, integrated crown race, SAVE, 12 x 100 mm thru axle, internal routing

    Bike Suspension

    No Suspension

    Crankset

    FSA Gossamer Alloy, BB30, 50/34t

    Bottom Bracket

    Cannondale BB30

    Shifters

    Shimano 105, 11-speed

    Front Derailleur

    Shimano 105, braze-on

    Rear Derailleur

    Shimano 105 GS

    Rear Cogs

    Shimano 105, 11-34t, 11-speed

    Number of Gears

    22 gear(s)

    Brake Type

    Mechanical Disc Brake

    Brakes

    TRP Spyre-C cable-actuated disc, 160/160mm rotors

    Brake Levers

    TRP Spyre-C

    Rims

    Cannondale RD 2.0 Disc, double wall with eyelets, 28h

    Front Hub

    Formula CRX-512, 12 x 100 thru axle

    Rear Hub

    Formula CX-22, quick-release axle

    Wheel Size

    700c

    Tires

    Vittoria Zaffiro, 700c x 30 mm

    Tire Width

    30 millimeters

    Handlebar Shape

    Drop Bar

    Handlebar

    Cannondale 3, 6061 alloy, compact

    Stem

    Cannondale 3, 6061 alloy, 31.8, 7 deg.

    Seat Post

    Cannondale 3, 6061 alloy, 25.4 x 300 mm (48-51), 350 mm (54-56), 400 mm (58-61)

    Saddle

    Cannondale Stage Ergo

    Pedals

    Not included

    Headset

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

    Chain

    KMC X11, 11-speed

    Weight

    21 lbs. 13.2 oz.

    Bike Weight

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

    Gender

    Unisex

  • Size Chart

    48 CM 51 CM 54 CM 56 CM 58 CM 61 CM
    Reach 37.1 37.6 38.3 38.9 39.4 40.3
    Stack 53 55 57 58.9 60.9 63.9
    Effective Top Tube 51.7 53.1 54.7 56.3 58 60.4
    Seat Tube Center-Top 42.2 44.3 48 52 55 59
    Standover Height 70.1 72.2 75.5 78.7 81.6 85.1
    Head Tube Length 12.3 14.3 15.9 17.8 20.2 23.2
    Head Tube Angle (degrees) 70.8 71 71.9 72.1 72.3 72.5
    Seat Tube Angle (degrees) 74.6 74.3 73.9 73.5 73 72.5
    Bottom Bracket Height 27 27 27.2 27.2 27.5 27.5
    Wheelbase 99.9 101 100.4 101.4 102.5 104.1
    Chainstay 41.3 41.3 41.3 41.3 41.3 41.3
    Fork Offset 6 6 5 5 5 5

    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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