2017 Specialized Demo I Alloy vs 2018 Specialized Demo 8 Frameset
The M is the Specialized Demo 8 Frameset size closest to your M Specialized Demo I Alloy. 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 Alloy in M, the Specialized Demo 8 Frameset in M places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- ±0 mm
- About the same
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Demo I Alloy, MSpecialized Demo 8 Frameset, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Demo I Alloy M | Specialized Demo 8 Frameset M | Difference |
|---|---|---|---|
| Reach | 420mm | 420mm | ±0 mm |
| Stack | 614mm | 614mm | ±0 mm |
| Head tube angle | 63.5° | 63.5° | ±0.0° |
| Seat tube angle | 74° | 74° | ±0.0° |
| Effective top tube | 596mm | 596mm | ±0 mm |
| Chainstay length | 430mm | 430mm | ±0 mm |
| Wheelbase | 1208mm | 1208mm | ±0 mm |
| BB drop | 12mm | 12mm | ±0 mm |
| BB height | 342mm | 342mm | ±0 mm |
| Standover | 698mm | 698mm | ±0 mm |
| Seat tube length | 367mm | 367mm | ±0 mm |
| Head tube length | 105mm | 105mm | ±0 mm |
| Fork length | not listed | 590mm |
Differences are the Specialized Demo 8 Frameset minus the Specialized Demo I Alloy. Full charts: 2017 Specialized Demo I Alloy, 2018 Specialized Demo 8 Frameset.
Where each sits in its class
Specialized Demo I AlloySpecialized 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 I Alloy8 I Alloy | Specialized Demo 8 FramesetS-Works Frameset |
|---|---|---|
| Fork | RockShox BoXXer RC | not listed |
| Rear shock | Fox Van RC | Öhlins TTX |
| Shifter | SRAM X7 | not listed |
| Derailleur | SRAM GX | not listed |
| Cassette | SRAM PG-1030 | not listed |
| Chain | SRAM PC-1031 | not listed |
| Crankset | SRAM Descendant | not listed |
| Pedals | Specialized Bennies | not listed |
| Tire | Specialized Butcher, Specialized Slaughter | not listed |
| Hub | Specialized spacing | not listed |
| Brake | SRAM Guide R | not listed |
| Stem | Specialized P.Series | not listed |
| Grips | Specialized Sip Grip | not listed |
| Saddle | Specialized Phenom Comp | not listed |
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