2015 Specialized Demo I vs 2015 Specialized Demo 8 Frameset
The X-long is the Specialized Demo 8 Frameset size closest to your X-Long (High) Specialized Demo I. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Specialized Demo 8 Frameset
Compared with the Specialized Demo I in X-Long (High), the Specialized Demo 8 Frameset in X-long places the top of the head tube 7 mm higher and 4 mm further forward, relative to the bottom bracket. Its wheelbase is 18 mm longer, which can contribute to stability at speed.
- Frame stack
- +7 mm
- Higher front end
- Frame reach
- +4 mm
- Longer frame reach
- Wheelbase
- +18 mm
- Longer: steadier at speed
- Head angle
- −0.8°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
We can't draw these frames yet. The Specialized Demo I numbers we have for size X-Long (High) are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Specialized Demo I X-Long (High) | Specialized Demo 8 Frameset X-long | Difference |
|---|---|---|---|
| Reach | 456mm | 460mm | +4 mm |
| Stack | 616mm | 623mm | +7 mm |
| Head tube angle | 64.3° | 63.5° | −0.8° |
| Seat tube angle | not listed | not listed | |
| Effective top tube | 612mm | 633mm | +21 mm |
| Chainstay length | 430mm | 430mm | ±0 mm |
| Wheelbase | 1235mm | 1253mm | +18 mm |
| BB height | 357mm | 343mm | −14 mm |
| Standover | 736mm | 718mm | −18 mm |
| Seat tube length | 417mm | 419mm | +2 mm |
Differences are the Specialized Demo 8 Frameset minus the Specialized Demo I. Full charts: 2015 Specialized Demo I, 2015 Specialized Demo 8 Frameset.
Where each sits in its class
Specialized Demo ISpecialized Demo 8 Frameset
Each bike is ranked against the other downhill bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Specialized Demo I8 I | Specialized Demo 8 FramesetS-Works Frameset |
|---|---|---|
| Fork | RockShox BoXXer RC | not listed |
| Rear shock | Fox Van RC | Öhlins TTX22M |
| Shifter | SRAM X7 | not listed |
| Derailleur | SRAM X-9 | not listed |
| Cassette | SRAM PG-1030 | not listed |
| Chain | SRAM 1031 | not listed |
| Crankset | SRAM Descendant | not listed |
| Pedals | Specialized Bennies | not listed |
| Tire | Specialized Butcher DH, Specialized Slaughter DH | not listed |
| Hub | Specialized Hi Lo | not listed |
| Brake | SRAM Guide R | not listed |
| Handlebar | Specialized Demo | not listed |
| Stem | Specialized P.Series | not listed |
| Grips | Specialized Sip Grip | not listed |
| Saddle | Specialized Phenom Comp | not listed |
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