Bike Comparison
    MSRP
    $800
    Where to Buy
    $1

    At

    Category
    Fat
    2.6
    Aluminum
    Fork
    Aluminum
    Wheels
    Aluminum
    Wheel Size
    24″
    Brakes
    Mechanical Disc
    Groupset
    X4
    Drivetrain
    1 × 9
    Brand Site

    specialized.com

    Summary
    The Specialized Fatboy 24 is a 24″ aluminum frame rigid fat bike with mid-range components and mechanical disc brakes.
    Similar Bikes
    Accessories
    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)

    21 mph

    Fatboy 24

    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

    Specialized A1 Premium Aluminum, fully-butted w/ smooth welds, ZeroStack head tube, 170mm rear hub spacing, replaceable alloy derailleur hanger

    Fork

    Specialized A1 Premium Aluminum, 1-1/8" alloy steerer

    Bottom Bracket

    Square taper, sealed cartridge bearings, 100mm shell, 164mm axle

    Headset

    1-1/8", threadless, ZeroStack, semi-cartridge bearings

    Stem

    Specialized, 3D-forged alloy, 4-bolt, 6-degree rise, 31.8mm clamp

    Handlebar

    Specialized, double-butted 6061 alloy, 9-degree backsweep, 4-degree upsweep, 31.8mm, 720mm width

    Saddle

    Specialized Youth, steel rails

    Seatpost

    Alloy, single bolt, 27.2mm

    Pedals

    Platform

    Grips

    Specialized Body Geometry Women's XCT, lock-on

    Groupset
    Rear Derailleur

    SRAM X4, long cage

    Crank

    Forged alloy, 32T, w/ chainguard, Alloy, 28T

    Shifters

    SRAM X4, 9-speed, trigger

    Cassette

    Sunrace, 9-speed, 11-36t

    Chain

    KMC X9, 9-speed w/ reusable MissingLink™

    Brakes

    Front: Tektro Aries, mechanical disc, organic pads, 160mm rotor, Rear: Tektro Aries, mechanical disc, organic pads, 160mm rotor

    Brake Levers

    Tektro, Jr V-brake

    Wheels
    Rims

    24" disc, alloy construction, 68mm internal width, 32h

    Spokes

    Stainless, 14g

    Front Hub

    Stout 135, loose ball bearings, 10x135 QR, 32h

    Rear Hub

    Specialized 170, Hi Hi disc, alloy, double-sealed loose ball bearings, QR, 32h

    Tires

    Front: Ground Control Fat, 60 TPI, wire bead, 24x4.0", Rear: Ground Control Fat, 60 TPI, wire bead, 24x4.0"

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