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    MSRP
    Where to Buy
    $1

    At

    Category
    Endurance
    6.4
    Frame
    Carbon
    Carbon
    Wheels
    Aluminum
    Wheel Size
    700c
    Shimano Hydraulic Disc
    Dura-Ace
    Drivetrain
    2 × 11
    Brand Site

    specialized.com

    Summary
    The Specialized Roubaix SL4 Pro Disc is a carbon frame endurance bike with ultra high-end components and shimano hydraulic disc 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 Pro Disc

    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, carbon OSBB

    Fork

    Specialized FACT carbon, size-specific taper, disc mount

    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 Pro, carbon rails, 143mm

    Seatpost

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

    TypeRigid

    Pedals

    Nylon, loose ball bearings, w/ reflectors

    Groupset
    Rear Derailleur

    Shimano Dura-Ace, 11-speed

    Front Derailleur

    Shimano Dura-Ace, 11-speed, braze-on

    Crank

    Specialized Pro, 50/34T

    Shifters

    Shimano 685, 11-speed

    Cassette

    Shimano Dura-Ace, 11-speed, 11-28t

    Chain

    Shimano Dura-Ace, 11-speed

    Brakes

    Front: Shimano BR-785, hydraulic disc, Ice-Tech resin pads w/ fins, Rear: Shimano BR-785, hydraulic disc, Ice-Tech resin pads w/ fins

    TypeShimano Hydraulic Disc

    Wheels
    Rims

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

    Tires

    Front: S-Works Turbo, 120TPI, folding bead, BlackBelt protection, 700x26mm, Rear: S-Works Turbo, 120TPI, folding bead, BlackBelt protection, 700x26mm

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