2023 Cervélo P-Series Frameset vs 2025 Colnago TT1 Frame Kit
The S is the Colnago TT1 Frame Kit size closest to your 48 Cervélo P-Series Frameset. 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 Colnago TT1 Frame Kit
Compared with the Cervélo P-Series Frameset in 48, the Colnago TT1 Frame Kit in S places the top of the head tube 13 mm lower and 16 mm further forward, relative to the bottom bracket.
- Frame stack
- −13 mm
- Lower front end
- Frame reach
- +16 mm
- Longer frame reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Cervélo P-Series Frameset numbers we have for size 48 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Cervélo P-Series Frameset 48 | Colnago TT1 Frame Kit S | Difference |
|---|---|---|---|
| Reach | 381 | 396.5 | +16 mm |
| Stack | 485 | 471.7 | −13 mm |
| Head tube angle | 71 | 72 | +1.0° |
| Chainstay length | 405 | 400 | −5 mm |
| Wheelbase | 975 | not listed | |
| BB drop | 75 | 72 | −3 mm |
| Standover | 732 | not listed | |
| Head tube length | 87.5 | not listed | |
| Seat tube angle | not listed | 77 | |
| BB height | not listed | 264 |
Differences are the Colnago TT1 Frame Kit minus the Cervélo P-Series Frameset. Full charts: 2023 Cervélo P-Series Frameset, 2025 Colnago TT1 Frame Kit.
Where each sits in its class
Cervélo P-Series FramesetColnago TT1 Frame Kit
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 | Cervélo P-Series FramesetFrameset | Colnago TT1 Frame KitFrame Kit |
|---|---|---|
| Fork | Cervélo P Fork | not listed |
| Headset | FSA IS2 | not listed |
| Seatpost | Cervélo SP23 | Colnago Aero |
| Frame | not listed | Colnago TT1 |
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