Factor Aluto
Gravel · 6 sizes
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- Bike
- Factor Aluto · Gravel · 6 sizes · integrated cockpit
- Geometry
- factorbikes.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)not published | Chainstay (mm) | Wheelbase (mm) | Standover (mm) |
|---|---|---|---|---|---|---|---|---|
| 49 | 530 | 377 | 71.5 | 74.5 | 420 | 992.6 | 749.5 | |
| 52 | 547 | 385 | 71.9 | 74 | 420 | 1002.5 | 770 | |
| 54 | 565 | 393 | 72 | 74 | 420 | 1016.5 | 793 | |
| 56 | 585 | 402 | 72 | 73.5 | 423 | 1035 | 812 | |
| 58 | 605 | 412 | 72 | 73.5 | 425 | 1053 | 833 | |
| 61 | 625 | 422 | 73 | 73.5 | 425 | 1070 | 850.5 |
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 factorbikes.com.Factor framesets ship with the Black Inc integrated bar/stem (sizes chosen at order) or a Black Inc stem and bar; no per-size stock sizes in the geometry data (stock fields null).
Cockpit and seatpost, in the maker's words · 41 words
Factor framesets ship with the Black Inc integrated bar/stem (sizes chosen at order) or a Black Inc stem and bar; no per-size stock sizes in the geometry data (stock fields null). Spacer heights and top-cover height are not on the page.
OFFICIAL SOURCE: Factor Aluto page (gravel), six sizes 49-61. Source: html table (official Factor Bikes model page: the geometry table is rendered from the page's embedded "frameGeometry" JSON (rows A-K), parsed by script; fetched 2026-08-29
How I read the maker's table
XL head angle 73 deg against 72 on the L as printed. Model year not printed (null).
Source: html table (official Factor Bikes model page: the geometry table is rendered from the page's embedded "frameGeometry" JSON (rows A-K), parsed by script; fetched 2026-08-29, HTTP 200)