Specialized P.18 AM

2012 MountainDirt jump Manufacturer page

Suspension: Rigid
Wheels: 18″
Frame: Steel
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

18" 120+

Components

3 of 20 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

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 Not identified

Suspension

1 part

Fork

Hi Ten, tapered blades, 1-1/8"" threadless, 5mm dropouts for 3/8"" axle Not identified

Drivetrain

4 parts

Bottom bracket

MID BB, 2x sealed cartridge bearing w/ 19mm, 8-spline, Cr-Mo spindle, steel tube, and plastic cone spacers Not identified
Cassette

CNC 1/2"" x 1/8"" x 9t driver Not identified
Chain
- KMC
Z-510H
Crankset

3pc. tubular Cr-Mo, 8 spline, 170mm length Not identified

Brakes

2 parts

Brake levers

Lever ""U"" brake, 15mm cable pull Not identified
Brakes
- Tektro
FX-340

Wheels and tires

5 parts

Front hub

Low flange, loose ball bearing, 3/8"" Cr-Mo axle, nutted type, 36h Not identified
Rear hub

Low flange, CNCd 9t cog driver, loose ball, hollow 14mm Cr-Mo axle w/ 23mm contact, 17mm axle nuts, 36h Not identified
Rims

P.18, alloy single-wall, 31mm, pinned, 36h Not identified
Spokes

Stainless, 2.0mm (14g) Not identified
Tires
- Specialized

Cockpit and contact points

7 parts

Grips

P. Grip, flanged soft compound, open end w/ endplug, 150mm Not identified
Handlebar

Cr-Mo 2pc. 11º backsweep, 2º upsweep, 22.2mm Not identified
Headset

Integrated 1-1/8"" threadless, Campy-style, full cartridge bearings Not identified
Pedals

P. Lo Pro plastic platform w/ molded pins, loose ball, 9/16"" Not identified
Saddle

P. Series, 1pc co-molded composite saddle and alloy 25.4mm seat post combination Not identified
Seatpost

Alloy, 25.4mm, no offset Not identified
Stem

Die cast alloy, Ahead, front load, 22.2mm Not identified

Sizes and geometry

1 size Open in the geometry plotter

Complete rider-height ranges are not published for these sizes. You can still explore the geometry below.

Size 18"

Table

Reach 403mm

Stack 331mm

Wheelbase 816mm

Head angle 74.5°

Seat angle 72.0°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 18″ wheel; exact published values are in the table below.

Size Reported by the manufacturer

Complete manufacturer geometry table 1 published size

Complete manufacturer geometry by size
Measurement
Frame
Reachmm	403
Stackmm	331
Seat tube lengthmm	207
Head tube lengthmm	100
Head tube angle	74.5°
Seat tube angle	72°
Chainstay lengthmm	308
Wheelbasemm	816
Front centermm	511
Bottom bracket dropmm	31
Bottom bracket heightmm	263
Standover heightmm	508
Fork rakemm	31
Suspension and parts
Crank lengthmm	152
Handlebar widthmm	640
Stem lengthmm	40
Seatpost lengthmm	200

Not published by the manufacturer: Top tube length, Trail, Stack/reach ratio, Front travel, Rear travel, Stem angle and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Steel
Fork material: Steel

Suspension

Suspension configuration: Rigid

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 25
Largest chainring: 25

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Tire width: 2″
Wheel material: Aluminum
Wheel size: 18″

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2012 builds

Differences across 2012 builds
Specification	This bicycle Specialized P.18 AM	Specialized P.1	Specialized P.20	Specialized P.20 AM	Specialized P.2	Specialized P.24
Frame
Fork material	Steel	Steel	Steel	Steel	Aluminum	Steel
Suspension
Suspension configuration	Rigid	Rigid	Rigid	Rigid	Hardtail	Rigid
Front travel	Not informed	Not informed	Not informed	Not informed	80 mm	Not informed
Drivetrain
Rear sprockets	Not informed	1	Not informed	Not informed	1	1
Smallest sprocket	Not informed	12	Not informed	Not informed	12	10
Largest sprocket	Not informed	12	Not informed	Not informed	12	10
Lowest gear	Not informed	54.2 in	Not informed	Not informed	54.2 in	60.0 in
Highest gear	Not informed	54.2 in	Not informed	Not informed	54.2 in	60.0 in
Brakes
Brake type	Hydraulic disc	Mechanical disc	Rim brake	Rim brake	Hydraulic disc	Mechanical disc
Cockpit
Shifting	Mechanical	No shifting	Mechanical	Mechanical	No shifting	No shifting
Other specifications
Suspension	Rigid	Rigid	Rigid	Rigid	Hardtail	Rigid
Tire width	2″	2.3″	2.3″	2.3″	2.3″	2.2″
Wheel size	18″	26″	20″	20″	26″	24″
Fork spring	Not informed	Not informed	Not informed	Not informed	Air	Not informed