Velopedia Bicycle Archive
2015 Specialized Demo 8 I Carbon
Original specifications: DH mix drivetrain · 27.5 wheels.
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At a glance
- Model year
- 2015
- Category
- Mountain
- Original MSRP
- $6,500.00
- Sizes
- Short, M, Long, X-Long
- Colors
- Gloss Carbon/Green/White, Satin Carbon/Charcoal
- In this record
- 25 specifications · 2 archived images · original MSRP
- Archive ID
- 1003054
Model history 2 other years
Frameset
| Frame Construction | FACT 10m carbon, S3 Geometry, carbon front triangle, carbon seat stay, FACT IS construction, PF30 BB, full internal cable routing, 135mm dropouts, lipped and sealed cartridge bearing pivots, replaceable derailleur hanger, 200mm |
|---|---|
| Frame Material | Carbon Fiber/Aluminum |
| Fork | RockShox Boxxer RC 650b, alloy steerer, compression and rebound adj., 20mm Maxle DH thru-axle, S: extra-soft spring, M: soft spring, L/XL: medium spring, 200mm travel |
| Fork Material | Suspension |
| Rear Shock | Custom Öhlins TTX22M, coil over w/ piggy back, spherical bearing mount, high/low speed compression, rebound adj., 9.5x3.0", M: 76x434lb, L: 84x479lb, XL: 92x525lb |
Drivetrain
| Component Group | DH mix |
|---|---|
| Shifters | SRAM X7, 10-speed, w/ MatchMaker clamp |
| Front Derailleur | None |
| Rear Derailleur | SRAM X9 Type 2, 10-speed w/ shift limit, mid cage |
| Crankset | Custom SRAM, PB30, 7050 alloy arms, 36T ring |
| Bottom Bracket | SRAM, BB30, 83mm adapter |
| BB Shell Width | 83mm |
| Rear Cogs | SRAM PG 1030, hot rod 7-speed setup, 11-24 |
| Pedals | Specialized Boomslang, 10mm low-profile, sealed bearing |
Brakes
| Brakes | SRAM Guide R, metallic pads, Guide R caliper, 200mm rotor, SRAM Guide R, metallic pads, Guide R caliper, 200mm rotor |
|---|
Cockpit & Contact Points
| Headset | 1-1/2" semi-integrated for 1-1/8" steerer, cartridge bearings |
|---|---|
| Handlebar | Specialized Demo, low-rise, 7050 alloy, 8-degree backsweep, 6-degree upsweep, 31.8mm |
| Stem | Specialized P.Series MTB, direct mount, forged alloy, 4-bolt |
| Saddle | Body Geometry Phenom Comp, hollow Cr-Mo rails, 143mm |
| Seatpost | Specialized 6061 alloy, 2-bolt, 0mm setback, 30.9mm |
Wheels & Tires
| Hubs | Specialized Hi Lo disc, sealed cartridge bearings, 20mm thru-axle, 32h, Specialized Hi Lo disc, sealed cartridge bearings, 12x135mm, 32h |
|---|---|
| Rims | Roval 650b, alloy, 24mm inner width, 32h |
| Spokes | DT Swiss Industry, stainless |
| Front Tire | Specialized Butcher DH, 60TPI, wire bead, dual compound, 650bx2.5", Specialized Slaughter DH, 60TPI, wire bead, dual compound, 650bx2.3" |
| Wheel Size | 27.5 |
Published drivetrain ratios
Gearing
Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.
The bar uses the same mechanical-ratio calculation as Compare. Wheel-dependent speed appears only when the record includes an exact ISO/ETRTO rear tire size; no tire size is assumed.
Parts & serviceability
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More qualified parts (5)
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Bike-specific inspection checklist 22 checks based on 6 archived component groups Open checklistClose checklist
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.
Identity and fit
Follow the full used-bike inspection order →Archived: 2015 Specialized Demo 8 I Carbon · Mountain Dual Suspension · Published sizes: Short, M, Long, X-Long
Frame and fork
Inspect the frame and fork →Archived: Frame: FACT 10m carbon, S3 Geometry, carbon front triangle, carbon seat stay, FACT IS construction, PF30 BB, full internal cable routing, 135mm dropouts, lipped and sealed cartridge bearing pivots, replaceable derailleur hanger, 200mm · Fork: RockShox Boxxer RC 650b, alloy steerer, compression and rebound adj., 20mm Maxle DH thru-axle, S: extra-soft spring, M: soft spring, L/XL: medium spring, 200mm travel · Suspension
Suspension
Evaluate the suspension →Archived: Fork: RockShox Boxxer RC 650b, alloy steerer, compression and rebound adj., 20mm Maxle DH thru-axle, S: extra-soft spring, M: soft spring, L/XL: medium spring, 200mm travel · Rear shock: Custom Öhlins TTX22M, coil over w/ piggy back, spherical bearing mount, high/low speed compression, rebound adj., 9.5x3.0", M: 76x434lb, L: 84x479lb, XL: 92x525lb
Drivetrain
Check drivetrain wear →Archived: Group: DH mix · Shifters: SRAM X7, 10-speed, w/ MatchMaker clamp · Rear derailleur: SRAM X9 Type 2, 10-speed w/ shift limit, mid cage · Crankset: Custom SRAM, PB30, 7050 alloy arms, 36T ring · Bottom bracket: SRAM, BB30, 83mm adapter · Rear cogs: SRAM PG 1030, hot rod 7-speed setup, 11-24
Brakes
Inspect the brakes →Archived: Brakes: SRAM Guide R, metallic pads, Guide R caliper, 200mm rotor, SRAM Guide R, metallic pads, Guide R caliper, 200mm rotor
Wheels and tires
Check wheels and tires →Archived: Wheel size: 27.5 · Rims: Roval 650b, alloy, 24mm inner width, 32h · Hubs: Specialized Hi Lo disc, sealed cartridge bearings, 20mm thru-axle, 32h, Specialized Hi Lo disc, sealed cartridge bearings, 12x135mm, 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, 7050 alloy, 8-degree backsweep, 6-degree upsweep, 31.8mm · Stem: Specialized P.Series MTB, direct mount, 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 Boomslang, 10mm low-profile, sealed bearing
Before and during the test ride
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Gallery
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.



