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    Sirrus2010 Specialized
    Recommended
    MSRP
    Where to Buy
    —
    $1

    At

    Category
    		Fitness
    2.9
    Frame
    		Aluminum
    		Aluminum
    Wheels
    		Aluminum
    Wheel Size
    		700c
    		Rim
    		Altus
    Drivetrain
    		3 × 8
    Brand Site

    specialized.com

    Summary
    		The Specialized Sirrus is a 700c aluminum frame fitness bike with modest 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)

    38 mph

    Sirrus

    Highest gear

    (descending)

    Geometry
    Specs
    Sirrus2010 Specialized
    Frame

    Specialized Sirrus A1 Premium aluminum, fully manipulated tubing, compact design, hourglass speedstays, integrated headset

    Fork

    Aluminum legs and crown w/ 7075 aluminum steerer, w/ rack eyelets

    Bottom Bracket

    Sealed cartridge, square taper, 68mm

    Headset

    Cage bearings integrated HS. w/ 20mm of spacers w/ top cap

    Stem

    3D forged, 2-bolt, 25.4mm

    Handlebar

    Specialized Sirrus Elite, 6061 aluminum, small riser, 25.4mm

    Saddle

    Body Geometry ""Roulux"" w/ steel rails

    Seatpost

    Alloy, two-bolt clamp, 27.2mm

    Type: Rigid

    Pedals

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

    Groupset
    Rear Derailleur

    Shimano Altus

    Front Derailleur

    Shimano Altus

    Crank

    Shimano FCM-191

    Shifters

    Shimano EF-50, EZ Fire

    Cassette

    Shimano HG-40, 8-speed, 11-32t

    Chain

    KMC Z-51

    Brakes

    Front: Forged 6061 aluminum V-Brake, 108mm linear pull, w/ standard pads, Rear: Forged 6061 aluminum V-Brake, 108mm linear pull, w/ standard pads

    Type: Rim

    Brake Levers

    Shimano EF-50 (integrated w/ shifter)

    Wheels
    Rims

    Alex S500, aluminum, sleeve joint, CNC machined sidewalls

    Spokes

    Stainless 14g

    Front Hub

    Forged alloy, sealed, QR, 32h

    Rear Hub

    Forged alloy, double-sealed, cassette, QR, 32h

    Tires

    Front: Specialized All Condition Sport, 700x32c, wire bead, 60TPI, w/ Flak Jacket protection, Rear: Specialized All Condition Sport, 700x32c, wire bead, 60TPI, w/ Flak Jacket protection

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