Cervelo S5
Aero road · 6 sizes
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- Bike
- Cervelo S5 · Aero road · 6 sizes · integrated cockpit
- Geometry
- cervelo.com, fetched 29 Aug 2026, re-checked, no differences
- Cockpit
- Generic stem and bar, assumed
- Solved with
- cover 15 mm (assumed), max spacers 40 mm (assumed), stem clamp centre 20 mm (assumed), so every verdict carries ±10 mm at the bar
- Sheet
- 6 September 2026 · 210 bikes, 43 makes, 1,262 sizes in the catalogue
Geometry, every size, from the maker's table
The tinted row is the size drawn beside it. Press a size to draw it.| Size | Stack (mm) | Reach (mm) | Head angle (deg) | Seat angle (deg) | Head tube (mm) | Chainstay (mm) | Wheelbase (mm) | Standover (mm) |
|---|---|---|---|---|---|---|---|---|
| 48 | 496 | 367 | 71 | 73 | 64 | 405 | 973 | 712 |
| 51 | 519 | 376 | 72 | 73 | 82 | 405 | 974 | 734 |
| 54 | 542 | 384 | 73 | 73 | 104 | 405 | 975 | 758 |
| 56 | 565 | 392 | 73.5 | 73 | 125 | 405 | 982 | 781 |
| 58 | 588 | 401 | 73.5 | 73 | 152 | 405 | 999 | 804 |
| 61 | 608 | 409 | 73.5 | 73 | 173 | 405 | 1013 | 822 |
The table runs on to the right: 6 more columns after Reach. Scroll it sideways to read them.
The 56 drawn to scale from the table, with no build on it. Stack and reach run from the bottom bracket to the top of the head tube; every size is solved from those two. One square is 100 mm. A dashed tube is a number the maker left out (est.).
The maker's cockpit
No stock cockpit I can name, so every size is solved on a generic stem and bar unless you choose one on the sheet.Generic stem and barAssumedNo bar is listed for this frame.
In the maker's words
Kept whole, as I read it off cervelo.com.Cervelo complete bikes ship with Cervelo's own bar/stem per build (the integrated HB13/ST31 on the S5, the AB09/ST32 two-piece on the R5 and Soloist, the AB10 on the Aspero and Caledonia); the geometry page does not list per-size stem or bar sizes, so stock fields are null.
Cockpit and seatpost, in the maker's words · 61 words
Cervelo complete bikes ship with Cervelo's own bar/stem per build (the integrated HB13/ST31 on the S5, the AB09/ST32 two-piece on the R5 and Soloist, the AB10 on the Aspero and Caledonia); the geometry page does not list per-size stem or bar sizes, so stock fields are null. Spacer limits and top-cover heights are in Cervelo's owner manuals, not on the page.
OFFICIAL SOURCE: Cervelo GB page for the current S5 (six sizes 48-61). Source: html table (official Cervelo GB model page, "Geometry" tab, HTML table; fetched 2026-08-29
How I read the maker's table
the head angle and seat angle on the 61 are printed without a degree sign as on the page. Fork offset 58.5/52.5/46.5/43.5 and a constant 55.6 mm trail as printed. Cervelo does not publish a seat tube length (null). Sizes are Cervelo's numeric labels. Model year is not printed on the page (null); the page slug says which generation it is where Cervelo keeps an older page online.
Source: html table (official Cervelo GB model page, "Geometry" tab, HTML table; fetched 2026-08-29, HTTP 200)