2025 Pinarello X9 Shimano Dura Ace vs 2023 Specialized Roubaix SL8 Comp
The 52 is the Specialized Roubaix SL8 Comp 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 Roubaix SL8 Comp
Compared with the Pinarello X9 Shimano Dura Ace in 510, the Specialized Roubaix SL8 Comp in 52 places the top of the head tube 6 mm lower and about as far forward, relative to the bottom bracket.
- Frame stack
- −6 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
- −0.5°
- Slacker: calmer steering
- Chainstays
- −4 mm
- Shorter: livelier
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
| Measurement | Pinarello X9 Shimano Dura Ace 510 | Specialized Roubaix SL8 Comp 52 | Difference |
|---|---|---|---|
| Reach | 372.5 | 370 | −3 mm |
| Stack | 575.8 | 570 | −6 mm |
| Head tube angle | 72 | 71.5 | −0.5° |
| Seat tube angle | 73.5 | 74 | +0.5° |
| Chainstay length | 422 | 418 | −4 mm |
| BB drop | 72 | not listed | |
| Seat tube length | 510 | 446 | −64 mm |
| Head tube length | 159 | 105 | −54 mm |
| Effective top tube | not listed | 534 | |
| Wheelbase | not listed | 998 | |
| BB height | not listed | 269 | |
| Standover | not listed | 747 |
Differences are the Specialized Roubaix SL8 Comp minus the Pinarello X9 Shimano Dura Ace. Full charts: 2025 Pinarello X9 Shimano Dura Ace, 2023 Specialized Roubaix SL8 Comp.
Where each sits in its class
Pinarello X9 Shimano Dura AceSpecialized Roubaix SL8 Comp
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.
| Part | Pinarello X9 Shimano Dura AceShimano Dura Ace Di2 | Specialized Roubaix SL8 CompSL8 Comp |
|---|---|---|
| Frame | Pinarello X9 | Specialized FACT 10R |
| Shifter | Shimano Dura-Ace R9200 | Shimano 105 |
| Derailleur | Shimano Dura-Ace R9200 | Shimano 105 |
| Chain | Shimano CN-HG | Shimano 105 |
| Crankset | Shimano Dura-Ace | Shimano 105 |
| Bottom bracket | Shimano SM-BB9200 Dura Ace | Shimano 105 |
| Wheelset | MOST Ultrafast 40 | DT Swiss G540 |
| Tire | Pirelli P ZERO Race TLR | S Works Mondo, S Works Mondo 2BR |
| Brake | Shimano Dura-Ace R9200, Shimano Dura-Ace R9100 | Shimano 105 |
| Handlebar | MOST Talon Ultra Light | Specialized Hover |
| Bar tape | MOST Bar Tape | Supacaz Super Sticky Kush |
| Seatpost | Pinarello Aero Seatpost | Specialized S-Works Pavé |
| Bottle cage | Trap PACF | not listed |
| Fork | not listed | Specialized Future Shock 3.2 |
| Cassette | not listed | Shimano 105 |
| Chainring | not listed | Shimano 105 |
| Rotor | not listed | Shimano 105 |
| Stem | not listed | Specialized Future Stem |
| Saddle | not listed | Specialized Body Geometry Power Sport |
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