2017 Specialized Demo I Alloy vs 2018 Specialized Demo 8 Frameset
The Specialized Demo 8 Frameset size closest to your SHORT is the SHORT. Compare the SHORT instead
What changes on the Specialized Demo 8 Frameset
Compared with the Specialized Demo I Alloy in SHORT, the Specialized Demo 8 Frameset in LONG places the top of the head tube at about the same height and 45 mm further forward, relative to the bottom bracket. Its wheelbase is 45 mm longer, which can contribute to stability at speed.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- +45 mm
- Longer frame reach
- Wheelbase
- +45 mm
- Longer: steadier at speed
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Demo I Alloy, SHORTSpecialized Demo 8 Frameset, LONGDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Demo I Alloy SHORT | Specialized Demo 8 Frameset LONG | Difference |
|---|---|---|---|
| Reach | 395mm | 440mm | +45 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 | 571mm | 616mm | +45 mm |
| Chainstay length | 430mm | 430mm | ±0 mm |
| Wheelbase | 1183mm | 1228mm | +45 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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