Specialized Crux
Gravel · 7 sizes
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This is the bike I ride
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- Bike
- Specialized Crux · Gravel · 7 sizes
- Versions
- 2022 · 2021, this table
- Geometry
- specialized.com, fetched 20 Oct 2026, re-checked, no differences
- Seat angle convention
- Calculated from Specialized's table
- Cockpit
- Generic stem and bar, assumed
- Solved with
- cover 10 mm (assumed), max spacers 40 mm (assumed), stem clamp centre 20 mm (assumed), so every verdict carries ±10 mm at the bar
- Sheet
- 23 October 2026 · 879 bikes, 79 makes, 4,979 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) |
|---|---|---|---|---|---|---|---|---|
| 46 | 523 | 366 | 69.5 | 75.5 | 100 | 425 | 1007 | 763.5 |
| 49 | 540 | 369 | 70.5 | 75.5 | 115 | 425 | 1007 | 781.5 |
| 52 | 554 | 375 | 71.5 | 74 | 125 | 425 | 1008 | 794.5 |
| 54 | 566 | 382 | 71.5 | 73.5 | 140 | 425 | 1020 | 808.5 |
| 56.0 | 582 | 388 | 72 | 73.25 | 155 | 425 | 1026 | 824.5 |
| 58.0 | 597 | 395 | 72.5 | 73 | 170 | 425 | 1034 | 840.5 |
| 61.0 | 618 | 402 | 73 | 72.5 | 190 | 425 | 1043 | 861.5 |
The table runs on to the right: 6 more columns after Reach. Scroll it sideways to read them.
The 54 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.
Stock stem and bar per size46 70 x 360, 49 80 x 380, 52 90 x 400, 54 100 x 420, 56.0 100 x 420, 58.0 110 x 440, 61.0 110 x 440 (stem length x bar width, mm)
Frame facts
read from the maker's words, not a table: specialized.com- Tyre clearance
- not recorded yet
- Bottom bracket
- not recorded yet
- Axles and brakes
- 12x142 rear, flat mount
- UDH
- not recorded yet
- Seatpost
- not recorded yet
- Frame weight
- not recorded yet
In the maker's words
Kept whole, as I read it off specialized.com.Crux (MY2021), Specialized GB spec: Handlebars "Specialized Shallow Drop, 6061, 70x125mm, 31.8mm clamp" (bar reach 70 mm, drop 125 mm); Stem "Specialized, 3D-forged alloy, 4-bolt, 7-degree rise" (stem angle 7 degrees).
Cockpit and seatpost, in the maker's words · 43 words
Crux (MY2021), Specialized GB spec: Handlebars "Specialized Shallow Drop, 6061, 70x125mm, 31.8mm clamp" (bar reach 70 mm, drop 125 mm); Stem "Specialized, 3D-forged alloy, 4-bolt, 7-degree rise" (stem angle 7 degrees). Stock stem length and bar width per size from the geometry table.
OFFICIAL SOURCE: Specialized GB page for the Crux (code 187432), page JSON modelYear 2021, frame "FACT 11r carbon, Rider-First Engineered, OSBB, 1-3/8" lower bearing, 12x142mm thru-axle, flat-mount disc". Source: html table (official Specialized GB product page for the Crux, code 187432, the "Geometry" HTML table in the page; fetched 2026-10-20
How I read the maker's table
The cyclocross Crux two generations before the Crux 5 (specialized-crux-5.json). Seven sizes, labelled exactly as the maker prints them: 46, 49, 52, 54, 56.0, 58.0, 61.0. Standover is printed to the half millimetre (763.5 to 861.5). Values printed with mm and degree suffixes, stripped by script. Stock tyre Tracer Sport 700x33mm.
Source: html table (official Specialized GB product page for the Crux, code 187432, the "Geometry" HTML table in the page; fetched 2026-10-20, HTTP 200)