2012 Specialized

P.18 AM

A 18″ steel frame rigid dirt jump bike with mid-range components.
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FrameSteel
SuspensionRigid
ForkSteel
Wheels18″ Aluminum
Groupset
BrakesHydraulic Disc
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Sizing
18"

3'11" +

🐐 Estimated

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Geometry
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Specs
Build
Frame

Hi-Ten plain gauge, 18.5"" TT, externally relieved MID BB shell and integrated headset, seatstay-mounted U-brake bosses, 5mm thick dropouts for 14mm axle

Fork

Hi Ten, tapered blades, 1-1/8"" threadless, 5mm dropouts for 3/8"" axle

Bottom Bracket

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

Headset

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

Stem

Die cast alloy, Ahead, front load, 22.2mm

Handlebar

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

Saddle

P. Series, 1pc co-molded composite saddle and alloy 25.4mm seat post combination

Seatpost

Alloy, 25.4mm, no offset

TypeRigid

Pedals

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

Grips

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

Groupset
Crank

3pc. tubular Cr-Mo, 8 spline, 170mm length

Cassette

CNC 1/2"" x 1/8"" x 9t driver

Chain

KMC Z-510H, 1/2"" x 1/8"", anti-drop inner links

Brakes

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

TypeHydraulic Disc

Brake Levers

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

Wheels
Rims

P.18, alloy single-wall, 31mm, pinned, 36h

Spokes

Stainless, 2.0mm (14g)

Front Hub

Low flange, loose ball bearing, 3/8"" Cr-Mo axle, nutted type, 36h

Rear Hub

Low flange, CNCd 9t cog driver, loose ball, hollow 14mm Cr-Mo axle w/ 23mm contact, 17mm axle nuts, 36h

Tires

Front: Specialized Rhythm Lite Sport, 30 TPI, wire bead, 18x2.0"", Rear: Specialized Rhythm Lite Sport, 30 TPI, wire bead, 18x2.0""

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Last updated July 9
Not listed for 1,756 days