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    MSRP
    Where to Buy
    $1

    At

    Category
    Hybrid
    3.5
    Frame
    Aluminum
    Aluminum
    Wheels
    Aluminum
    Wheel Size
    700c
    Rim
    Tiagra
    Drivetrain
    3 × 9
    Suspension
    Hardtail
    Front Travel
    35mm
    Brand Site

    specialized.com

    Summary
    The Specialized BG Roulux 1 is a 700c aluminum frame hybrid bike with mid-range components and 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

    BG Roulux 1

    Highest gear

    (descending)

    Geometry
    Specs
    Frame

    BG Roulux, Specialized A1 Premium Aluminum with ergo road geometry, pivotless rear elastomer suspension, integrated HS, replaceable hanger

    Fork

    Alloy aero blades, 35mm travel w/ preload adjust, Cr-Mo steerer, size specific spring rates

    Travel35mm

    Spring TypeCoil

    Bottom Bracket

    Shimano BB-ES25, Octalink spline, cartridge bearing, 68mm x 113mm

    Headset

    Integrated 1 1/8"" threadless, Campy type semi-cartridge bearings

    Stem

    3D forged alloy w/ shim, 12 degree rise, 31.8mm clamp

    Handlebar

    Alloy BG bar, 31.8mm, 630mm wide, 30mm drop, 50 degree back sweep, 8 deg down

    Saddle

    Specialized BG Roulux, Body Geometry, 143mm width, front and rear bumpers

    Seatpost

    Alloy two bolt, micro adjust, 27.2mm

    TypeRigid

    Pedals

    BG platform, 1pc alloy body w/ kraton top

    Groupset
    Rear Derailleur

    Shimano Tiagra

    Front Derailleur

    Shimano FD-R443 for road triple and flat handle bar

    Crank

    Shimano FC-R453, Octalink spline

    Shifters

    Shimano SL-R440-9, rear trigger for flat bar road

    Cassette

    SRAM PG-950-RD, 9-speed, 11-28t

    Chain

    KMC X9 w/ reusable Missing Link

    Brakes

    Front: ""V"" brake, forged 102mm arm, 70mm pads, Rear: ""V"" brake, forged 102mm arm, 70mm pads

    TypeRim

    Brake Levers

    Ergo three-finger design for V brake

    Wheels
    Rims

    Alex 700c aero profile, pinned, alloy double wall, 28h w/CNC sidewall

    Spokes

    2mm (14g) stainless

    Front Hub

    Forged alloy, sealed, 28h

    Rear Hub

    Forged alloy, sealed, 28h

    Tires

    Front: Specialized Roulux Sport, 700x28c, 60TPI w/ Flak Jacket protection, Rear: Specialized Roulux Sport, 700x28c, 60TPI w/ Flak Jacket protection

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