Quiver

2017 Specialized Demo Alloy vs 2018 Specialized Demo 8 Frameset

The SHORT is the Specialized Demo 8 Frameset size closest to your SHORT Specialized Demo 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 Alloy in SHORT, the Specialized Demo 8 Frameset in SHORT 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

2017 Specialized Demo Alloy (SHORT) and 2018 Specialized Demo 8 Frameset (SHORT), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Demo Alloy is drawn in full with its measurements, and the Specialized Demo 8 Frameset is the colored outline on top.J 1183

Specialized Demo Alloy, SHORTSpecialized Demo 8 Frameset, SHORTDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Demo Alloy SHORTSpecialized Demo 8 Frameset SHORTDifference
Reach395mm395mm±0 mm
Stack614mm614mm±0 mm
Head tube angle63.5°63.5°±0.0°
Seat tube angle74°74°±0.0°
Effective top tube571mm571mm±0 mm
Chainstay length430mm430mm±0 mm
Wheelbase1183mm1183mm±0 mm
BB drop12mm12mm±0 mm
BB height342mm342mm±0 mm
Standover698mm698mm±0 mm
Seat tube length367mm367mm±0 mm
Head tube length105mm105mm±0 mm
Fork lengthnot listed590mm

Differences are the Specialized Demo 8 Frameset minus the Specialized Demo Alloy. Full charts: 2017 Specialized Demo Alloy, 2018 Specialized Demo 8 Frameset.

Where each sits in its class

Specialized Demo AlloySpecialized Demo 8 Frameset

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

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.

PartSpecialized Demo Alloy8 AlloySpecialized Demo 8 FramesetS-Works Frameset
Rear shockÖhlins TTXÖhlins TTX

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet