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    Fatboy Chopper2009 Specialized
    Recommended
    MSRP
    Where to Buy
    —
    $1

    At

    Category
    		General Youth
    Frame
    		Aluminum
    		Aluminum
    Wheels
    		Aluminum
    Wheel Size
    		24″
    		Avid Mechanical Disc
    Drivetrain
    		Single-speed
    Brand Site

    specialized.com

    Summary
    		The Specialized Fatboy Chopper is a 24″ aluminum frame general youth bike with avid mechanical 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)

    17 mph

    Fatboy Chopper

    Highest gear

    (descending)

    Geometry
    Specs
    Fatboy Chopper2009 Specialized
    Frame

    Specialized A1 Premium Aluminum, integrated headset, transform TT w/ internal brake cable routing, ISCG BB shell, forged dropouts w/ disc mount, 24x6"" wheel-specific, integrated centerstand mount

    BB Standard: BSA, 100mm, Threaded

    Fork

    Fat Boy A1 Premium Aluminum double clamp, forged dropouts and disc mount

    Bottom Bracket

    Threaded cup, 4x cartridge bearing w/ Cr-Mo spindle

    Headset

    1-1/8"" threadless, integrated

    Stem

    Fat Boy A1 Premium Aluminum, 31.8mm clamp, integrated w/ upper fork clamp

    Handlebar

    Fat Boy Cruiser, A1 premium Aluminum, 31.8 mm, 700mm wide

    Saddle

    Fat Boy Chopper w/ integrated post

    Seatpost

    Fat Boy Cr-Mo 30.9, integrated w/ saddle

    Type: Rigid

    Pedals

    Specialized alloy platform, 9/16""

    Grips

    Specialized Fat Boy, Kraton

    Groupset
    Crank

    Specialized Tubular Cr-Mo Moto, 3pc.

    Cassette

    Shimano MX-30, single speed, 18t

    Chain

    KMC KOOL K710SL, 1/2"" x 1/8""

    Brakes

    Front: Avid BB5, mechanical disc, 8"" G2 Clean Sweep rotor, Rear: Avid BB5, mechanical disc, 8"" G2 Clean Sweep rotor

    Type: Avid Mechanical Disc

    Brake Levers

    Tektro alloy 4 finger w/ ball end

    Wheels
    Rims

    Fat Boy A1, 24 x 6"" rear, 24 x 3"" front

    Spokes

    2.8mm (9g) stainless Fat Boy Moto Spoke

    Front Hub

    Specialized Fat Boy A1 Moto, Forged and CNC w/ sealed cartridge bearings and 10mm Cr-Mo axle

    Rear Hub

    Specialized Fat Boy A1 Moto, Forged and CNC w/ sealed cartridge bearings and 10mm Cr-Mo axle

    Tires

    Front: Specialized Fat Boy, 24x3.5"", Rear: Specialized Fat Boy, 24x3.5""

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