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2015 Specialized Demo 8 I

Original specifications: SRAM X9 · 10-speed · mechanical rear derailleur · 27.5 wheels.

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At a glance

Model year
2015
Category
Mountain
Original MSRP
$4,600.00
Sizes
M, Long, X-Long
Colors
Satin Black/Charcoal, Gloss Hyper/Deep Blue
In this record
25 specifications · original MSRP
Archive ID
1102151
Model history 5 other years
Original buildAluminum · DH mix · 27.5

Manufacturer catalog

Published sizes and colors

3 sizes · 2 colors

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

MLongX-Long

Published colors

Satin Black/CharcoalGloss Hyper/Deep Blue

Frameset

Frame ConstructionM5 manipulated alloy, 650b S3 Geometry, 1.5" forged headtube, 135mm rear spacing, compact race design, ISCG '05 mount, cartridge bearing rear shock mount, rear derailleur protector, 200mm travel
Frame MaterialAluminum
ForkRockShox Boxxer RC 650b, alloy steerer, compression and rebound adj., 20mm Maxle DH thru-axle, M: soft spring, L/XL: medium spring, 200mm travel
Fork MaterialSuspension
Rear ShockCustom FOX VAN RC, coil w/ piggy back, compression and rebound adj., 9.5x3", XS: 350, S: 400, M: 450, L: 500

Drivetrain

Component GroupDH mix
ShiftersSRAM X7, 10-speed, w/ MatchMaker clamp
Front DerailleurNone
Rear DerailleurSRAM X9 Type 2, 10-speed, mid cage
CranksetCustom SRAM Descendant, PF30 spindle, alloy arms, 165mm, 36T ring, w/ Gamut bashguard
Bottom BracketSRAM, PF30 to BSA 83mm adapter
Rear CogsSRAM PG 1030, 10-speed, 11-25
ChainSRAM PC 1031, 10-speed, w/ PowerLink, nickel finish
PedalsSpecialized Bennies, 6061 alloy body, sealed cartridge, 4.5mm removable pins

Brakes

BrakesSRAM Guide R, metallic pads, Guide R caliper, 200mm Centerline rotor, SRAM Guide R, metallic pads, Guide R caliper, 180mm Centerline rotor

Cockpit & Contact Points

Headset1-1/2" semi-integrated for 1-1/8" steerer, cartridge bearings
HandlebarSpecialized Demo, low rise, 6061 alloy, 9-degree backsweep, 6-degree upsweep, 31.8mm
StemSpecialized P.Series MTB, forged alloy, 4-bolt
SaddleBody Geometry Phenom Comp, hollow Cr-Mo rails, 143mm
SeatpostSpecialized 6061 alloy, 2-bolt, 0mm setback, 30.9mm

Wheels & Tires

HubsSpecialized Hi Lo disc, sealed cartridge bearings, 20mm thru-axle, 36h, Specialized Hi Lo disc, hollow Cr-Mo axle, 32h
RimsRoval 650b DH, alloy, 24mm inner width, w/ eyelets, 32h
SpokesDT Swiss Industry, stainless
Front TireSpecialized Butcher DH, 60TPI, wire bead, dual compound, 650bx2.5", Specialized Slaughter DH, 60TPI, wire bead, dual compound, 650bx2.3"
Wheel Size27.5

Gearing

Chainring ÷ rear sprocket

Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.

Published build36T · 11–25T · 10-speed
Lowest1.44:1 Highest3.27:1 Total range227%
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Parts & serviceability

Find replacement parts

Original specifications
Cassette / rear cogs · Original
SRAM PG 1030, 10-speed, 11-25
Bottom bracket · Original
SRAM, PF30 to BSA 83mm adapter
Pedals · Original
Specialized Bennies, 6061 alloy body, sealed cartridge, 4.5mm removable pins
More parts (5)
Rear derailleur · Original
SRAM X9 Type 2, 10-speed, mid cage Search: SRAM X9 10-speed mechanical rear derailleur
Handlebar · Original
Specialized Demo, low rise, 6061 alloy, 9-degree backsweep, 6-degree upsweep, 31.8mm
Stem · Original
Specialized P.Series MTB, forged alloy, 4-bolt
Seatpost · Original
Specialized 6061 alloy, 2-bolt, 0mm setback, 30.9mm
Retailer offers · Affiliate links
Hubs · Original
Specialized Hi Lo disc, sealed cartridge bearings, 20mm thru-axle, 36h, Specialized Hi Lo disc, hollow Cr-Mo axle, 32h

Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases.

Bike-specific inspection checklist 22 checks based on 6 archived component groups Open checklistClose checklist
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This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.

Archived: 2015 Specialized Demo 8 I · Mountain Dual Suspension · Published sizes: M, Long, X-Long

Archived: Frame: M5 manipulated alloy, 650b S3 Geometry, 1.5" forged headtube, 135mm rear spacing, compact race design, ISCG '05 mount, cartridge bearing rear shock mount, rear derailleur protector, 200mm travel · Fork: RockShox Boxxer RC 650b, alloy steerer, compression and rebound adj., 20mm Maxle DH thru-axle, M: soft spring, L/XL: medium spring, 200mm travel · Suspension

Archived: Fork: RockShox Boxxer RC 650b, alloy steerer, compression and rebound adj., 20mm Maxle DH thru-axle, M: soft spring, L/XL: medium spring, 200mm travel · Rear shock: Custom FOX VAN RC, coil w/ piggy back, compression and rebound adj., 9.5x3", XS: 350, S: 400, M: 450, L: 500

Archived: Group: DH mix · Shifters: SRAM X7, 10-speed, w/ MatchMaker clamp · Rear derailleur: SRAM X9 Type 2, 10-speed, mid cage · Crankset: Custom SRAM Descendant, PF30 spindle, alloy arms, 165mm, 36T ring, w/ Gamut bashguard · Bottom bracket: SRAM, PF30 to BSA 83mm adapter · Rear cogs: SRAM PG 1030, 10-speed, 11-25 · Chain: SRAM PC 1031, 10-speed, w/ PowerLink, nickel finish

Archived: Brakes: SRAM Guide R, metallic pads, Guide R caliper, 200mm Centerline rotor, SRAM Guide R, metallic pads, Guide R caliper, 180mm Centerline rotor

Archived: Wheel size: 27.5 · Rims: Roval 650b DH, alloy, 24mm inner width, w/ eyelets, 32h · Hubs: Specialized Hi Lo disc, sealed cartridge bearings, 20mm thru-axle, 36h, Specialized Hi Lo disc, hollow Cr-Mo axle, 32h · Front tire: Specialized Butcher DH, 60TPI, wire bead, dual compound, 650bx2.5", Specialized Slaughter DH, 60TPI, wire bead, dual compound, 650bx2.3"

Controls and contact points

Archived: Headset: 1-1/2" semi-integrated for 1-1/8" steerer, cartridge bearings · Handlebar: Specialized Demo, low rise, 6061 alloy, 9-degree backsweep, 6-degree upsweep, 31.8mm · Stem: Specialized P.Series MTB, forged alloy, 4-bolt · Seatpost: Specialized 6061 alloy, 2-bolt, 0mm setback, 30.9mm · Saddle: Body Geometry Phenom Comp, hollow Cr-Mo rails, 143mm · Pedals: Specialized Bennies, 6061 alloy body, sealed cartridge, 4.5mm removable pins

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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