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    MSRP
    Where to Buy
    $1

    At

    Category
    Endurance
    5.4
    Frame
    Carbon
    Carbon
    Wheels
    Aluminum
    Wheel Size
    700c
    Shimano Ultegra Rim
    Dura-Ace, Ultegra
    Drivetrain
    2 × 11
    Brand Site

    specialized.com

    Summary
    The Specialized Roubaix SL4 Expert is a carbon frame endurance bike with ultra high-end components and shimano ultegra rim brakes.

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    Insights
    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)

    39 mph

    Roubaix SL4 Expert

    Highest gear

    (descending)

    Geometry
    Specs
    Frame

    Specialized SL4 FACT 10r carbon, FACT construction, shaped/tapered 1-1/8"" to size-specific lower head tube, compact race design, Zertz, internal cable routing, threaded carbon BB

    BB StandardBSA, 68mm, Threaded

    Fork

    Specialized FACT carbon, size-specific taper

    Bottom Bracket

    BSA, 68mm, threaded

    Headset

    1-1/8"" upper, size-specific lower, stainless steel cartridge bearings, 20mm carbon cone spacer, w/ 20mm carbon spacers

    Stem

    Specialized Pro SL, alloy, 4-bolt

    Handlebar

    Specialized Expert, shallow drop, alloy, 123mm drop, 75mm reach

    Saddle

    Body Geometry Phenom Expert, hollow Ti rails, 143mm

    Seatpost

    Specialized CG-R, FACT carbon, single bolt, 27.2mm

    TypeRigid

    Pedals

    Nylon, loose ball bearings, w/ reflectors

    Groupset
    Rear Derailleur

    Shimano Ultegra, 11-speed, medium cage

    Front Derailleur

    Shimano Ultegra, 11-speed

    Crank

    Shimano Ultegra, compact, 50/34T

    Shifters

    Shimano Dura-Ace, 11-speed

    Cassette

    Shimano Ultegra, 11-speed, 11-32t

    Chain

    Shimano Ultegra, 11-speed

    Brakes

    Front: Shimano Ultegra, Rear: Shimano Ultegra

    TypeShimano Ultegra Rim

    Wheels
    Rims

    Front: Fulcrum Racing S-19 Light, Rear: Fulcrum Racing S-19 Light

    Tires

    Front: Specialized Turbo Pro, 60TPI, folding bead, BlackBelt protection, 700x26mm, Rear: Specialized Turbo Pro, 60TPI, folding bead, BlackBelt protection, 700x26mm

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