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2015 Specialized Demo I vs 2015 Specialized Demo 8 Frameset

The Specialized Demo 8 Frameset size closest to your X-Long is the X-long. Compare the X-long instead

What changes on the Specialized Demo 8 Frameset

Compared with the Specialized Demo I in X-Long, the Specialized Demo 8 Frameset in SHORT places the top of the head tube at about the same height and 61 mm further back, relative to the bottom bracket. Its wheelbase is 51 mm shorter, which can contribute to quicker direction changes.

Frame stack
−2 mm
About the same height
Frame reach
−61 mm
Shorter frame reach
Wheelbase
−51 mm
Shorter: quicker to change direction
Head angle
±0.0°
About the same head angle
Chainstays
±0 mm
About the same

The two frames

2015 Specialized Demo I (X-Long)The Specialized Demo I frame drawn to scale.J 1235

Only the Specialized Demo I is drawn. The Specialized Demo 8 Frameset numbers we have for size SHORT are missing the seat angle.

Geometry side by side

MeasurementSpecialized Demo I X-LongSpecialized Demo 8 Frameset SHORTDifference
Reach456mm395mm−61 mm
Stack616mm614mm−2 mm
Head tube angle63.5°63.5°±0.0°
Seat tube angle63°not listed
Effective top tubenot listed577mm
Chainstay length430mm430mm±0 mm
Wheelbase1235mm1184mm−51 mm
BB height347mm343mm−4 mm
Standover736mm702mm−34 mm
Seat tube length417mm394mm−23 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

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 I8 ISpecialized Demo 8 FramesetS-Works Frameset
ForkRockShox BoXXer RCnot listed
Rear shockFox Van RCÖhlins TTX22M
ShifterSRAM X7not listed
DerailleurSRAM X-9not listed
CassetteSRAM PG-1030not listed
ChainSRAM 1031not listed
CranksetSRAM Descendantnot listed
PedalsSpecialized Benniesnot listed
TireSpecialized Butcher DH, Specialized Slaughter DHnot listed
HubSpecialized Hi Lonot listed
BrakeSRAM Guide Rnot listed
HandlebarSpecialized Demonot listed
StemSpecialized P.Seriesnot listed
GripsSpecialized Sip Gripnot listed
SaddleSpecialized Phenom Compnot listed

Know what is on every bike.

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