Specialized S-Works Demo 8

2015 MountainDownhill Manufacturer page

Travel: 200 / 200 mm Fork / rear shock
Wheels: 27.5″
Drivetrain: 1 × 7 10–24t
Gear range: 240%
Frame: Carbon
Brakes: Hydraulic disc

Sizes

Size guide

Short
MD
Long
X-Long

The manufacturer did not publish rider heights for these sizes.

Components

18 of 23 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

FACT 11m carbon, S3 Geometry, carbon front triangle, full carbon link and rear end, FACT IS construction, PF30 BB, full internal cable routing, 135mm dropouts, lipped and sealed cartridge bearing pivots, replaceable derailleur hanger, 200mm travel Not identified

Suspension

2 parts

Drivetrain

6 parts

Brakes

2 parts

Wheels and tires

5 parts

Front hub
- Specialized
Rear hub
- DT Swiss
Rims
- Roval
Spokes

DT Competition, stainless, 2.0mm Not identified
Tires
- Specialized

Cockpit and contact points

7 parts

Grips
- Specialized
Handlebar
- S-Works
Headset

1-1/2"", semi-integrated for 1-1/8"" steerer, loose ball bearings Not identified
Pedals
- Specialized
Saddle

Body Geometry Phenom Expert, hollow Ti rails, 143mm Not identified
Seatpost

Thomson, alloy, straight, 12-degree clamp Not identified
Stem
- Specialized

Sizes and geometry

4 sizes Open in the geometry plotter

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

Size MD

Table

Reach 420mm

Stack 614mm

Wheelbase 1209mm

Head angle 63.5°

Seat angle 76.0°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 27.5″ wheel; exact published values are in the table below.

Size Reach Stack

Complete manufacturer geometry table 4 published sizes

Complete manufacturer geometry by size
Measurement
Frame
Reachmm	395	420	440	460
Stackmm	614	614	623	623
Top tube lengthmm	577	588	613	633
Seat tube lengthmm	394	394	419	419
Head tube lengthmm	105	105	115	115
Head tube angle	63.5°	63.5°	63.5°	63.5°
Seat tube angle	76°	76°	76°	76°
Chainstay lengthmm	430	430	430	430
Wheelbasemm	1184	1209	1233	1253
Front centermm	754	779	803	823
Bottom bracket dropmm	12	12	12	12
Bottom bracket heightmm	343	343	343	343
Standover heightmm	702	707	712	718
Fork rakemm	53	53	52	52
Trailmm	118	118	119	119
Stack/reach ratio	1.55	1.46	1.42	1.35
Suspension and parts
Crank lengthmm	165	165	165	165
Handlebar widthmm	780	780	780	780
Stem lengthmm	45	45	45	45
Seatpost lengthmm	300	300	300	300

Not published by the manufacturer: Front travel, Rear travel, Stem angle and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Carbon
Fork material: Aluminum

Suspension

Suspension configuration: Full suspension
Front travel: 200 mm
Rear travel: 200 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Rear sprockets: 7
Smallest sprocket: 10
Largest sprocket: 24

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: BB30
Fork spring: Coil
Tire width: 2.5″
Wheel material: Aluminum
Wheel size: 27.5″

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 2015 builds
Specification	This bicycle Specialized S-Works Demo 8	Specialized Demo 8 I	Specialized Demo 8 II
Frame
Frame material	Carbon	Aluminum	Aluminum
Drivetrain
Rear sprockets	7	10	7
Smallest sprocket	10	11	9
Largest sprocket	24	25	25
Smallest chainring	Not informed	36	30
Largest chainring	Not informed	36	30
Lowest gear	Not informed	39.6 in	33.0 in
Highest gear	Not informed	90.0 in	91.7 in
Other specifications
Bottom bracket standard	BB30	PF30	PF30
Rear shock spring	Not informed	Coil	Not informed

Changes since 2014
Specification	2014 Specialized S-Works Demo 8	This bicycle Specialized S-Works Demo 8
Drivetrain
Smallest chainring	32	Not informed
Largest chainring	32	Not informed
Smallest sprocket	9	10
Largest sprocket	20	24
Lowest gear	41.6 in	Not informed
Highest gear	92.4 in	Not informed
Other specifications
Bottom bracket standard	PF30	BB30
Fork spring	Air	Coil
Wheel size	26″	27.5″