2018 Specialized Shiv Expert vs 2020 Cervélo P-Series
The 51 is the Cervélo P-Series size closest to your S Specialized Shiv Expert. 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 Expert in S, the Cervélo P-Series in 51 places the top of the head tube 8 mm lower and 13 mm further forward, relative to the bottom bracket.
- Frame stack
- −8 mm
- Lower front end
- Frame reach
- +13 mm
- Longer frame reach
- Wheelbase
- +2 mm
- About the same
- Head angle
- n/a
- One of the bikes has no number for this
- Chainstays
- +10 mm
- Longer: more planted
The two frames
Only the Specialized Shiv Expert is drawn. The Cervélo P-Series numbers we have for size 51 are missing the head angle and seat angle.
Geometry side by side
| Measurement | Specialized Shiv Expert S | Cervélo P-Series 51 | Difference |
|---|---|---|---|
| Reach | 385mm | 398 | +13 mm |
| Stack | 514mm | 506 | −8 mm |
| Head tube angle | 71.5° | not listed | |
| Seat tube angle | 77° | not listed | |
| Effective top tube | 504mm | not listed | |
| Chainstay length | 395mm | 405 | +10 mm |
| Wheelbase | 974mm | 976 | +2 mm |
| BB drop | 72mm | 75 | +3 mm |
| BB height | 258mm | not listed | |
| Standover | 772mm | 758 | −14 mm |
| Seat tube length | 525mm | not listed | |
| Fork length | 367mm | not listed | |
| Head tube length | 115mm | 101 | −14 mm |
Differences are the Cervélo P-Series minus the Specialized Shiv Expert. Full charts: 2018 Specialized Shiv Expert, 2020 Cervélo P-Series.
Where each sits in its class
Specialized Shiv ExpertCervélo 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 ExpertExpert | Cervélo P-Series |
|---|---|---|
| Derailleur | Shimano Ultegra R8000 | not listed |
| Cassette | Shimano Ultegra R8000 | not listed |
| Chain | Shimano Ultegra | not listed |
| Crankset | Shimano Ultegra R8000 | not listed |
| Wheelset | DT Swiss R460 | not listed |
| Tire | Specialized Turbo Pro | not listed |
| Brake | Specialized Shiv | not listed |
| Handlebar | Specialized Shiv | not listed |
| Seatpost | Specialized Shiv | not listed |
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