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

    At

    $1

    At

    Category
    EnduranceEndurance
    4.5
    5.8
    CarbonCarbon
    Fork
    CarbonCarbon
    Wheels
    AluminumAluminum
    Wheel Size
    700c700c
    Brakes
    Hydraulic DiscHydraulic Disc
    Groupset
    105, PraxisUltegra, Shimano
    Drivetrain
    2 × 112 × 11
    Brand Site

    specialized.com

    specialized.com

    Summary
    The Specialized Roubaix Sport and Specialized Roubaix Comp are both carbon frame endurance bikes with hydraulic disc brakes. The Roubaix Comp has better components.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Rider Position
    relaxedaggressive
    Terrain
    smoothrugged
    2021 Roubaix Sport
    2017 Roubaix Comp
    Other Endurance 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)

    39 mph

    2021 Roubaix Sport

    39 mph

    2017 Roubaix Comp

    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

    FACT 10R, Rider First Engineered™ (RFE), FreeFoil Shape Library tubes, threaded BB, 12x142mm thru-axle, flat-mount disc

    BB StandardBSA, 68mm, Threaded

    ColorsGloss Tarmac Black / Metallic White Silver; Satin Flake Silver / Black; Gloss Ice Blue / Carbon/tarmac Black

    Specialized FACT 9r carbon, Endurance Geometry, Rider-First Engineered™, 12x142mm thru-axle, Future Shock suspension, 20mm of travel, flat disc mounts

    BB StandardBSA, 68mm, Threaded

    ColorsGloss Tarmac Black / Metallic White Silver; Satin Flake Silver / Black; Gloss Ice Blue / Carbon/tarmac Black

    Fork

    Future Shock 1.5 w/ Smooth Boot, 12x100mm thru-axle, flat-mount disc

    S-Works FACT carbon, 12x100mm thru-axle

    Bottom Bracket

    Praxis 68mm BSA

    Stem

    Future Stem, Pro

    3D-forged alloy, 7-degree rise

    Handlebar

    Specialized Hover Comp, Alloy, 125mm Drop, 75mm Reach w/Di2 Hole

    Specialized Hover Comp Alloy, 15mm rise, 125mm drop, 75mm reach

    Saddle

    Body Geometry Power Sport, steel rails

    Body Geometry Phenom Comp GT, hollow Cr-Mo rails, 143mm

    Seatpost

    S-Works Pave

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

    Pedals

    Nylon, 105x78x28mm, loose balls w/ reflectors

    Groupset
    Rear Derailleur

    Shimano 105 R7000 GS, medium cage, 11-speed

    Shimano Ultegra, long cage, 11-speed

    Front Derailleur

    Shimano 105 R7000, braze-on

    Shimano Ultegra, braze-on

    Crank

    Praxis Alba, Praxis, 50/34T, 110BCD

    Praxis Zayante, 50/34T

    Shifters

    Shimano 105 R7020, hydraulic disc

    Shimano RS505 disc

    Cassette

    Shimano 105, 11-speed, 11-34t

    Shimano 105, 11-speed, 11-32t

    Chain

    KMC X11 Extra Lightweight, 11-speed

    KMC X11, 11-speed

    Brakes

    Front: Shimano 105, Hydraulic disc, Rear: Shimano 105, Hydraulic disc

    Front: Shimano 505 Flat-Mount HYD, resin pads w/fins, Rear: Shimano 505 Flat-Mount HYD, resin pads w/fins

    Wheels
    Rims

    Front: DT Swiss R470 rim, 20mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centerlock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples., Rear: DT Swiss R470 rim, 20mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centerlock disc, alloy freehub body, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples.

    Front: DT R470 Disc, thru-axle, 2Bliss Ready, Rear: DT R470 Disc, thru-axle, 2Bliss Ready

    Tires

    Front: Specialized Turbo Pro, 700x28mm, Rear: Specialized Turbo Pro, 700x28mm

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

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