Cannondale Synapse Alloy 105 5 Disc Bike - 2015

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Love long rides? Looking to pick up the pace? The Synapse Alloy 105 Disc 5 road bike fits the bill with reliable disc brakes, a speedy-yet-comfortable design and trusty Shimano 105 components.

  • Features

    • Synapse aluminum frame is built to give riders great handling, stability and steering precision in a more comfortable, upright position than race-oriented road frames
    • Rear part of the frame and the carbon-bladed fork feature the Cannondale Synapse Active Vibration Elimination (S.A.V.E.) technology for damping road vibration
    • BB30 bottom bracket enhances stiffness for efficient power transfer
    • Shimano 105 levers and derailleurs supply precise, dependable shifts throughout the 22 gears
    • Promax Render R disc brakes offer powerful braking with nuanced control for excellent performance in any condition
    • FSA Gossamer crankset and a wide-ranging 11-32 tooth cassette deliver a wide spread of gearing options for easy spinning no matter the gradient
    • Maddux RD3.0 wheels are wrapped with Schwalbe Lugano tires for low rolling resistance and grippy handling
    • 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 Racing Bikes
  • Technical Specs

    Best Use



    6061 aluminum


    SAVE Disc Carbon


    FSA Gossamer, 50/34

    Bottom Bracket

    FSA BB30


    Shimano 105

    Front Derailleur

    Shimano 105

    Rear Derailleur

    Shimano 105

    Rear Cogs

    Shimano 105, 11-32, 11-speed

    Number of Gears

    22 gear(s)


    Promax Render R mechanical disc

    Brake Levers

    Shimano 105


    Maddux RD 3.0 Disc

    Front Hub

    Maddux RD 3.0 Disc, 28h

    Rear Hub

    Maddux RD 3.0 Disc, 28-hole

    Wheel Size



    Schwalbe Lugano, 700 x 25

    Handlebar Shape

    Drop Bar


    Cannondale C3 compact


    Cannondale C3

    Seat Post

    Cannondale C3


    Cannondale Stage Ergo with chromoly rails


    Sold separately


    Synapse Si


    Shimano HG600


    20 lbs. 14.4 oz.

    Bike Weight

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



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