2021 Specialized Shiv TT Disc FACT 11r Carbon vs 2023 Cervélo P-Series
The 58 is the Cervélo P-Series size closest to your S Specialized Shiv TT Disc FACT 11r Carbon. 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 Cervélo P-Series
Compared with the Specialized Shiv TT Disc FACT 11r Carbon in S, the Cervélo P-Series in 58 places the top of the head tube 14 mm higher and 11 mm further back, relative to the bottom bracket. Its wheelbase is 55 mm longer, which can contribute to stability at speed.
- Frame stack
- +14 mm
- Higher front end
- Frame reach
- −11 mm
- Shorter frame reach
- Wheelbase
- +55 mm
- Longer: steadier at speed
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Specialized Shiv TT Disc FACT 11r Carbon has no geometry for this size yet. The numbers below still compare.
Geometry side by side
| Measurement | Specialized Shiv TT Disc FACT 11r Carbon S | Cervélo P-Series 58 | Difference |
|---|---|---|---|
| Reach | 448mm | 437 | −11 mm |
| Stack | 545mm | 559 | +14 mm |
| Head tube angle | 72° | 72.5 | +0.5° |
| Seat tube angle | 74.5° | not listed | |
| Chainstay length | 410mm | 405 | −5 mm |
| Wheelbase | 978mm | 1033 | +55 mm |
| Standover | 802mm | 808 | +6 mm |
| Seat tube length | 564mm | not listed | |
| Fork length | 363mm | not listed | |
| Head tube length | 95mm | 157 | +62 mm |
| BB drop | not listed | 75 |
Differences are the Cervélo P-Series minus the Specialized Shiv TT Disc FACT 11r Carbon. Full charts: 2021 Specialized Shiv TT Disc FACT 11r Carbon, 2023 Cervélo P-Series.
Where each sits in its class
Specialized Shiv TT Disc FACT 11r CarbonCervélo P-Series
Each bike is ranked against the other triathlon 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 Shiv TT Disc FACT 11r CarbonS-Works TT Disc FACT 11r Carbon | Cervélo P-Series105 |
|---|---|---|
| Handlebar | Specialized Shiv TT | Zipp Vuka Alumina Basebar |
| Seatpost | Specialized S-Works Venge | Cervélo SP23 |
| Fork | not listed | Cervélo P Fork |
| Shifter | not listed | microSHIFT Bar-end |
| Derailleur | not listed | Shimano 105 R7000 Front, Shimano 105 R7000 Rear |
| Cassette | not listed | Shimano 105 |
| Chain | not listed | Shimano HG601 |
| Crankset | not listed | Shimano FC-RS510 |
| Bottom bracket | not listed | FSA BBright thread together |
| Headset | not listed | FSA IS2 |
| Saddle | not listed | Cervélo Tri Saddle |
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