Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Specialized
2015 Specialized Demo 8 II
Value Guide market data · 2015 Specialized Demo 8 II
12-month trend
3%
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2015 Specialized Demo 8 II
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Demo model years
2025$6,603 - $7,668▼ 21% vs. 2015
2024$6,603 - $7,668▼ 21% vs. 2015
2023$6,603 - $7,668▼ 21% vs. 2015
2022$6,603 - $7,668▼ 21% vs. 2015
2021$6,510 - $7,560▼ 22% vs. 2015
2020$6,045 - $7,020▼ 28% vs. 2015
2018$6,975 - $8,100▼ 17% vs. 2015
2017$6,975 - $8,100▼ 17% vs. 2015
2016$8,370 - $9,7200% vs. 20152015$8,370 - $9,720Currently viewing
2014$7,905 - $9,180▼ 6% vs. 2015
2013$9,300 - $10,800▲ 11% vs. 2015
2012$6,138 - $7,128▼ 27% vs. 2015
2011$5,952 - $6,912▼ 29% vs. 2015
2010$5,115 - $5,940▼ 39% vs. 2015
2009$5,673 - $6,588▼ 32% vs. 2015
2008$5,859 - $6,804▼ 30% vs. 2015
2006$3,534 - $4,104▼ 58% vs. 2015
2005$4,557 - $5,292▼ 46% vs. 2015
2004$4,836 - $5,616▼ 42% vs. 20152015 Demo 8 II lineup
Overview
About this bike
2015 Specialized Demo 8 II value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Rear Shock
- Custom Öhlins TTX22M, coil over w/piggy back, high/low speed compression and rebound
- Fork
- RockShox Boxxer Team, 200mm travel w/coil spring, tapered steerer, high/low speed compression and rebound, 20mm thru-axle
- Frame
- Specialized FSR M5-aluminum, 650b S3 Geometry, 1.5" forged headtube, 135mm rear spacing, ISCG '05 mount, cartridge bearing rear shock mount, 200mm travel
Drivetrain
- Groupset
- 2015 Specialized Demo 8 II
- Crankset
- SRAM X0 DH w/Gamut bashguard, carbon arms
- Bottom Bracket
- SRAM PressFit 30
- Rear Cogs
- SRAM PG-1030, 7-speed: 9-25
- Rear Derailleur
- SRAM X0 Type 2
- Chainrings
- 30T
- Shifters
- SRAM X9
Brakes
- Brake Levers
- SRAM Guide RS DH
- Brakes
- SRAM Guide RS DH, 200/180mm Centerline rotor
Cockpit
- Seatpost
- Thomson
- Saddle
- Body Geometry Phenom Comp, 143mm wide
- Stem
- Specialized, direct-mount
- Handlebars
- Specialized Demo low-rise, aluminum
- Tape/Grips
- Specialized Sip Grip, lock-on
Wheels & Tires
- Hubs
- Front: Specialized Hi Lo disc, 20mm thru-axle; Rear: Custom DT Swiss, 12mm rear axle
- Tires
- Specialized; Front: Butcher DH, 650b x 2.5; Rear: Slaughter DH, 650b x 2.3
- Spokes
- DT Swiss Industry stainless
Pedals
- Pedals
- Specialized Bennies aluminum w/removable pins
Accessories
- Rims/Wheels
- Roval DH 650b
Frame sizing
XS4'10"-5'2"
S5'2"-5'6"
M5'6"-5'10"
L5'10"-6'2"
XL6'2"-6'6"
M highlighted as most common resale size. Sourced from catalog metadata.
Geometry
- Stack
- Varies by size
- Reach
- Varies by size
- Wheelbase
- Varies by size
Industry standard. Sourced from catalog metadata.
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Wheel condition
Inspect rims, hubs, spokes, and bearing play; ask about the tire age and any prior wheel rebuilds.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Suspension service
Confirm fork lowers and rear shock service intervals; ask for the most recent service receipts.
Inspection
Frame pivots & bearings
Cycle the suspension off the bike to feel for play, grit, or noise in pivot bearings.