Quiver

2025 Pinarello X9 Shimano Dura Ace vs 2023 Specialized Allez Sport

The 54 is the Specialized Allez Sport size closest to your 510 Pinarello X9 Shimano Dura Ace. 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 Allez Sport

Compared with the Pinarello X9 Shimano Dura Ace in 510, the Specialized Allez Sport in 54 places the top of the head tube 7 mm lower and about as far forward, relative to the bottom bracket.

Frame stack
−7 mm
Lower front end
Frame reach
−3 mm
About the same reach
Wheelbase
n/a
One of the bikes has no number for this
Head angle
±0.0°
About the same head angle
Chainstays
+3 mm
Longer: more planted

The two frames

We can't draw these frames yet. The Pinarello X9 Shimano Dura Ace numbers we have for size 510 are missing the wheelbase. The numbers below still compare.

Geometry side by side

MeasurementPinarello X9 Shimano Dura Ace 510Specialized Allez Sport 54Difference
Reach372.5370−3 mm
Stack575.8569−7 mm
Head tube angle7272°±0.0°
Seat tube angle73.573.25°−0.3°
Chainstay length422425mm+3 mm
BB drop7276mm+4 mm
Seat tube length510510mm±0 mm
Head tube length159155mm−4 mm
Wheelbasenot listed998mm
BB heightnot listed274mm
Standovernot listed781mm
Fork lengthnot listed378mm

Differences are the Specialized Allez Sport minus the Pinarello X9 Shimano Dura Ace. Full charts: 2025 Pinarello X9 Shimano Dura Ace, 2023 Specialized Allez Sport.

Where each sits in its class

Pinarello X9 Shimano Dura AceSpecialized Allez Sport

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other road 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.

PartPinarello X9 Shimano Dura AceShimano Dura Ace Di2Specialized Allez SportSport
FramePinarello X9Specialized Allez E5
ShifterShimano Dura-Ace R9200Shimano Tiagra
DerailleurShimano Dura-Ace R9200Shimano Tiagra
ChainShimano CN-HGKMC X10
CranksetShimano Dura-AcePraxis Alba
Bottom bracketShimano SM-BB9200 Dura Acenot listed
WheelsetMOST Ultrafast 40Specialized Axis Sport
TirePirelli P ZERO Race TLRSpecialized Roadsport
BrakeShimano Dura-Ace R9200, Shimano Dura-Ace R9100Shimano Tiagra
HandlebarMOST Talon Ultra LightSpecialized Shallow Drop
Bar tapeMOST Bar Tapenot listed
SeatpostPinarello Aero Seatpostnot listed
Bottle cageTrap PACFnot listed
Forknot listedSpecialized FACT
Chainringnot listedPraxis Alba
Saddlenot listedSpecialized Bridge Saddle

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