2012 Specialized

P.24

A 24″ steel frame rigid dirt jump bike with mid-range components and mechanical disc brakes.
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FrameSteel
SuspensionRigid
ForkSteel
Wheels24″ Aluminum
DrivetrainSingle-speed
Groupset
BrakesMechanical Disc
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Insights
Gearing

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

20 mph

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Highest gear

(descending)

Sizing
21"

3'11" +

🐐 Estimated

Rider Fit Notes

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Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
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

TypeRigid

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

TypeMechanical Disc

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""

Rider Notes
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Last updated July 9
Not listed for 1,742 days