Bike Comparison
    MSRP
    $3,800
    $5,200
    Where to Buy
    $1

    At

    $1

    At

    Category
    AeroAero
    5.1
    6.7
    CarbonCarbon
    Fork
    CarbonCarbon
    Wheels
    AluminumAluminum
    Wheel Size
    700c700c
    Brakes
    RimRim
    Groupset
    Ultegra, RotorUltegra Di2, Rotor
    Drivetrain
    2 × 112 × 11 Electronic
    Brand Site

    cervelo.com

    cervelo.com

    Summary
    The Cervélo S3 Ultegra 6800 and Cervélo S3 Ultegra Di2 6870 are both carbon frame aero bikes with rim brakes. The S3 Ultegra 6800 has better components.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Rider Position
    relaxedaggressive
    Terrain
    smoothrugged
    S3 Ultegra 6800
    S3 Ultegra Di2 6870
    Other Aero bikes
    Gear Range

    A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

    Lowest gear

    (climbing)

    41 mph

    S3 Ultegra 6800

    41 mph

    S3 Ultegra Di2 6870

    Highest gear

    (descending)

    Spec Level

    Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

    Geometry
    Specs
    Frame

    Carbon fiber

    BB StandardPF30, Press Fit

    Carbon fiber

    BB StandardPF30, Press Fit

    Fork

    Cervélo All-Carbon, Tapered S3 Fork

    Cervélo All-Carbon, Tapered S3 Fork

    Bottom Bracket

    Rotor PF-30

    Rotor PF-30

    Headset

    FSA IS2 1-1/8 x 1-3/8”

    FSA IS2 1-1/8 x 1-3/8"

    Stem

    FSA SLK

    FSA SLK

    Handlebar

    FSA Energy Compact

    FSA Energy Compact

    Saddle

    fi’zi:k Antares

    fi’zi:k Antares

    Seatpost

    Cervélo Carbon, Aero

    Cervélo Carbon, Aero

    Groupset
    Rear Derailleur

    Ultegra 6800, 11 spd

    Ultegra Di2 6870, 11 spd

    Front Derailleur

    Ultegra 6800, 11 spd

    Ultegra Di2 6870, 11 spd

    Crank

    Rotor 3D30 BBright™ 52/36

    Rotor 3D30 BBright™ 52/36

    Shifters

    Ultegra 6800, 11 spd

    Ultegra Di2 6870, 11 spd

    Cassette

    Ultegra 6800, 11 spd, 11-25

    Ultegra 6800, 11 spd, 11-25

    Chain

    Ultegra 11 spd

    Ultegra 11 spd

    Brakes

    Ultegra 6800

    Ultegra 6800

    Wheels
    Rims

    Mavic Cosmic Elite

    Mavic Cosmic Elite

    Tires

    Mavic Yksion Comp 120 tpi, 700x23c

    Mavic Yksion Comp 120 tpi, 700x23c

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