Velopedia Bicycle Archive
2015 Specialized Demo 8 II
Original specifications: SRAM X0 · 10-speed rear derailleur · 27.5 wheels.
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At a glance
- Model year
- 2015
- Category
- Mountain
- Original MSRP
- $6,800.00
- Sizes
- M, Long, X-Long
- Colors
- Gloss Dirty White/Charcoal/Rocket Red
- In this record
- 24 specifications · original MSRP
- Archive ID
- 1546576
Model history 5 other years
Original buildAluminum · DH mix · 27.5
Frameset
| Frame Construction | 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 |
|---|---|
| Frame Material | Aluminum |
| Fork | RockShox Boxxer Team 650b, coil spring, tapered alloy steerer, compression and rebound adjust, 20mm thru-axle, 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 X9, 10-speed |
| Front Derailleur | None |
| Rear Derailleur | SRAM X0, 10-speed, short cage |
| Crankset | SRAM X0 DH, PF30, carbon arms, triple base, 30T, w/ Gamut bashguard |
| Bottom Bracket | SRAM, PF30 to BSA 83mm adapter |
| Rear Cogs | SRAM PG 1030, 7-speed, 9-25 |
| Chain | SRAM PC-1031, 10-speed, w/ PowerLink, nickel finish |
| Pedals | Specialized Bennies, 6061 alloy body, sealed cartridge, 4.5mm removable pins |
Brakes
| Brakes | SRAM Guide RS DH, metallic pads, Code caliper, 200mm Centerline rotor, SRAM Guide RS DH, metallic pads, Code caliper, 180mm Centerline rotor |
|---|
Cockpit & Contact Points
| Headset | 1-1/2", semi-integrated for 1-1/8" steerer, loose ball bearings |
|---|---|
| Handlebar | Specialized Demo, low rise bar, 7050 alloy, 8-degree backsweep, 6-degree upsweep, 31.8mm |
| Stem | Specialized P.Series MTB, forged alloy, 4-bolt |
| Saddle | Body Geometry Phenom Comp, hollow Cr-Mo rails, 143mm |
| Seatpost | Thomson, alloy, straight, 12-degree clamp |
Wheels & Tires
| Hubs | Specialized Hi Lo disc, sealed cartridge bearings, 20mm thru-axle, 32h, Custom DT Swiss, Star Ratchet, XX1 driver body, 12mm thru-axle, 32h |
|---|---|
| Rims | Roval 650b, alloy, 24mm inner width, 32h |
| Front Tire | Specialized Butcher DH, 60TPI, wire bead, 650bx2.5", Specialized Slaughter DH, 60TPI, wire bead, 650bx2.3" |
| Wheel Size | 27.5 |
Gearing
Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.
Parts & serviceability
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More parts (4)
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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 II · Mountain Dual Suspension · Published sizes: M, Long, X-Long
Frame and fork
Inspect the frame and fork →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 Team 650b, coil spring, tapered alloy steerer, compression and rebound adjust, 20mm thru-axle, 200mm travel · Suspension
Suspension
Evaluate the suspension →Archived: Fork: RockShox Boxxer Team 650b, coil spring, tapered alloy steerer, compression and rebound adjust, 20mm thru-axle, 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 X9, 10-speed · Rear derailleur: SRAM X0, 10-speed, short cage · Crankset: SRAM X0 DH, PF30, carbon arms, triple base, 30T, w/ Gamut bashguard · Bottom bracket: SRAM, PF30 to BSA 83mm adapter · Rear cogs: SRAM PG 1030, 7-speed, 9-25 · Chain: SRAM PC-1031, 10-speed, w/ PowerLink, nickel finish
Brakes
Inspect the brakes →Archived: Brakes: SRAM Guide RS DH, metallic pads, Code caliper, 200mm Centerline rotor, SRAM Guide RS DH, metallic pads, Code caliper, 180mm Centerline 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, Custom DT Swiss, Star Ratchet, XX1 driver body, 12mm thru-axle, 32h · Front tire: Specialized Butcher DH, 60TPI, wire bead, 650bx2.5", Specialized Slaughter DH, 60TPI, wire bead, 650bx2.3"
Controls and contact points
Archived: Headset: 1-1/2", semi-integrated for 1-1/8" steerer, loose ball bearings · Handlebar: Specialized Demo, low rise bar, 7050 alloy, 8-degree backsweep, 6-degree upsweep, 31.8mm · Stem: Specialized P.Series MTB, forged alloy, 4-bolt · Seatpost: Thomson, alloy, straight, 12-degree clamp · Saddle: Body Geometry Phenom Comp, hollow Cr-Mo rails, 143mm · Pedals: Specialized Bennies, 6061 alloy body, sealed cartridge, 4.5mm removable pins
Before and during the test ride
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.




