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    Sirrus Expert2009 Specialized
    Recommended
    MSRP
    Where to Buy
    —
    $1

    At

    Category
    		Fitness
    3.9
    Frame
    		Aluminum
    		Carbon
    Wheels
    		Aluminum
    Wheel Size
    		700c
    		Rim
    		105, Tiagra
    Drivetrain
    		3 × 9
    Brand Site

    specialized.com

    Summary
    		The Specialized Sirrus Expert is a 700c aluminum frame fitness 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

    Sirrus Expert

    Highest gear

    (descending)

    Geometry
    Specs
    Sirrus Expert2009 Specialized
    Frame

    Specialized A1 Premium Aluminum, fully manipulated tubing, compact design, integrated headset, FACT carbon seatstays w/ Zertz inserts

    Fork

    Specialized FACT carbon, full carbon construction w/ Zertz inserts

    Bottom Bracket

    Sealed cartridge, square taper, 68mm x 113mm

    Headset

    Specialized Mindset, 1-1/8"" integrated threadless, steel cage bearings, 40mm alloy cone

    Stem

    Specialized Comp-Set, 3D forged alloy, 4-bolt 31.8mm bar clamp, 4- position adjustable

    Handlebar

    Specialized Event, flat 5 degree bend, butted 2014 alloy, 31.8 clamp

    Saddle

    Body Geometry Sonoma, 155mm width

    Seatpost

    Specialized carbon wrapped, two-bolt clamp, 27.2mm

    Type: Rigid

    Pedals

    Silver cage, black body, w/ toe clip and strap

    Grips

    Body Geometry Comfort II, triple density gel w/ bar end

    Groupset
    Rear Derailleur

    Shimano 105, long cage

    Front Derailleur

    Shimano Tiagra

    Crank

    Sugino Comp, five arm, polished

    Shifters

    Shimano Tiagra, 9-speed flat bar shifter

    Cassette

    SRAM PG 950, 9-speed 11-28t

    Chain

    Shimano HG73, 9-speed

    Brakes

    Front: Forged linear pull brakes w/ cartridge pads, Rear: Forged linear pull brakes w/ cartridge pads

    Type: Rim

    Brake Levers

    Avid FR-5, alloy, two-finger, linear pull

    Wheels
    Rims

    Mavic CXP22 rim, alloy triple-wall, machined sidewalls, 28/32h w/ eyelets

    Spokes

    DT Champion, stainless 14g w/ ProLoc brass nipples

    Front Hub

    Specialized forged alloy, 28h, sealed ball bearings, QR

    Rear Hub

    Specialized forged alloy, 32h, double sealed ball bearings, cassette, QR

    Tires

    Front: Specialized All Condition Armadillo Elite, 700x28c, Aramid bead, 120TPI, Rear: Specialized All Condition Armadillo Elite, 700x28c, Aramid bead, 120TPI

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