BMC Kaius 01
Gravel · 6 sizes
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- Bike
- BMC Kaius 01 · Gravel · 6 sizes · integrated cockpit
- Geometry
- bmc-switzerland.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) |
|---|---|---|---|---|---|---|---|---|
| 47 | 521 | 385 | 70.8 | 74.3 | 88 | 425 | 1010 | 739 |
| 51 | 541 | 392 | 70.8 | 74.3 | 109 | 425 | 1024 | 758 |
| 54 | 561 | 396 | 70.8 | 73.8 | 126 | 425 | 1027 | 779 |
| 56 | 581 | 400 | 71.6 | 73.8 | 147 | 425 | 1032 | 795 |
| 58 | 606 | 405 | 71.6 | 73.8 | 173 | 425 | 1045 | 815 |
| 61 | 631 | 409 | 71.6 | 73.8 | 199 | 425 | 1058 | 838 |
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.
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 bmc-switzerland.com.Kaius 01 Frameset: BMC ICS Carbon Aero integrated cockpit on complete builds (sizes per build); seatpost 335 mm (47-51) / 385 mm (54-56) / 405 mm (58-61), offset 0 (47-51) / 10 mm.
Cockpit and seatpost, in the maker's words · 33 words
Kaius 01 Frameset: BMC ICS Carbon Aero integrated cockpit on complete builds (sizes per build); seatpost 335 mm (47-51) / 385 mm (54-56) / 405 mm (58-61), offset 0 (47-51) / 10 mm.
OFFICIAL SOURCE: BMC store page for the Kaius 01 Frameset (product code 27a-000007, gravel race), six sizes 47-61, 425 mm rear centre, trail 72 mm on every size as printed. Source: html table (official BMC store product page (bmc-switzerland.com, Shopify), "Geometry" tab, HTML table; fetched 2026-08-29
How I read the maker's table
Model year not printed (null); the product codes carry the season (26a = 2026 range, 27a = 2027 range).
Source: html table (official BMC store product page (bmc-switzerland.com, Shopify), "Geometry" tab, HTML table; fetched 2026-08-29, HTTP 200)