Bike Comparison
    MSRP
    Where to Buy
    $1

    At

    Category
    Dirt Jump
    2.5
    Steel
    Fork
    Steel
    Wheels
    Aluminum
    Wheel Size
    24″
    Brakes
    Mechanical Disc
    Groupset
    Drivetrain
    Single-speed
    Brand Site

    specialized.com

    Summary
    The Specialized P.24 is a 24″ steel frame rigid dirt jump 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)

    18 mph

    P.24

    Highest gear

    (descending)

    Geometry
    Specs
    Frame

    P. Series double-butted Reynolds 520 Cr-Mo 24"", 21.6"" TT, externally relieved MID BB shell and integrated headset, removable seatstay-mounted U-brake bosses, 5mm 3D dropouts for 14mm axle, integrated chain tensioner and hardware

    Fork

    Tapered and butted Cr-Mo blades, 1-1/8"" threadless, 5mm dropouts for 3/8"" axle

    Bottom Bracket

    MID BB, 2x sealed cartridge bearing w/ 19mm, 8-spline, hollow Cr-Mo spindle, alloy tube, and cone spacers

    Headset

    Integrated 1-1/8"" threadless, Campy-style, full cartridge bearings

    Stem

    P. Series drop type, forged alloy, front load w/ CNC side holes, black hardware, 22.2mm

    Handlebar

    Cr-Mo 2pc. 11º backsweep, 2º upsweep, 22.2mm

    Saddle

    P. Combo, 1pc co-molded composite saddle and alloy 25.4mm seat post combination w/ embossed ""P. Series"" logo padded cover

    Seatpost

    Alloy, 25.4mm, no offset

    Pedals

    P. Lo Pro nylon platform w/ molded pins, loose ball, 9/16""

    Grips

    P. Grip, flanged soft compound, open end w/ endplug, 150mm

    Groupset
    Crank

    3pc. tubular, heat-treated Cr-Mo for 8 spline, 175mm length

    Cassette

    CNC 1/2"" x 1/8"" x 10t driver

    Chain

    KMC Z510XRB, 1/2"" x 1/8"", heavy duty, anti-drop inner links

    Brakes

    Rear: Tektro FX-340 U-brake, melt forged, single bushing, coil spring, 15mm offset arms, soft compound pad

    Brake Levers

    Lever ""U"" brake, 15mm cable pull

    Wheels
    Rims

    P. 24, alloy double-wall, 36mm, pinned, 36h

    Spokes

    Stainless, 2.0mm (14g)

    Front Hub

    Mid-flange, 2x sealed cartridge bearing, 3/8"" forged female bolt-in axles w/ 7075 alloy inner axle, 36h

    Rear Hub

    Low flange, CNCd 10t cog driver, 4x sealed cartridge bearings, hollow 14mm Cr-Mo axle w/ 23mm contact, 17mm axle nuts, 36h

    Tires

    Front: Specialized Compound, 30 TPI, wire bead, 24x2.2"", Rear: Specialized Compound, 30 TPI, wire bead, 24x2.2""

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