Specialized Tarmac SL6
Road · 6 sizes
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- Bike
- Specialized Tarmac SL6 · Road · 6 sizes
- Geometry
- specialized.com, fetched 20 Oct 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
- 22 October 2026 · 686 bikes, 74 makes, 3,984 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) |
|---|---|---|---|---|---|---|---|---|
| 49 | 514 | 375 | 71.75 | 75.5 | 115 | 410 | 973 | 740 |
| 52 | 527 | 380 | 72.5 | 74 | 126 | 410 | 975 | 755 |
| 54 | 544 | 384 | 73 | 74 | 143 | 410 | 978 | 775 |
| 56 | 565 | 395 | 73.5 | 73.5 | 163 | 410 | 990 | 795 |
| 58 | 591 | 402 | 73.5 | 73.5 | 190 | 410 | 1005 | 826 |
| 61 | 612 | 408 | 74 | 73 | 210 | 410 | 1012 | 850 |
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.
Stock stem and bar per size49 80 x 400, 52 90 x 420, 54 100 x 420, 56 100 x 420, 58 110 x 440, 61 110 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
- 20 mm offset
- Frame weight
- not recorded yet
In the maker's words
Kept whole, as I read it off specialized.com.Men's Tarmac Disc Expert (MY2019), Specialized spec held in the page JSON: Handlebars "Specialized Expert Shallow Drop, alloy, 125mm drop x 75mm reach" (bar reach 75 mm, drop 125 mm); Stem "Specialized Pro SL, alloy, 4-bolt" (no angle printed); Seatpost "S-Works FACT carbon Tarmac seatpost, 20mm offset".
Cockpit and seatpost, in the maker's words · 59 words
Men's Tarmac Disc Expert (MY2019), Specialized spec held in the page JSON: Handlebars "Specialized Expert Shallow Drop, alloy, 125mm drop x 75mm reach" (bar reach 75 mm, drop 125 mm); Stem "Specialized Pro SL, alloy, 4-bolt" (no angle printed); Seatpost "S-Works FACT carbon Tarmac seatpost, 20mm offset". Stock stem length and bar width per size from the geometry table.
OFFICIAL SOURCE: Specialized GB page for the Men's Tarmac Disc Expert (code 154558), page JSON modelYear 2019, frame "Tarmac SL6, FACT 10r carbon, Rider-First Engineered, OSBB, clean routing, internally integrated seat clamp, 12x142mm thru-axle, flat-mount disc". Source: html table (official Specialized GB product page for the Men's Tarmac Disc Expert, code 154558, the "Geometry" HTML table in the page; fetched 2026-10-20
How I read the maker's table
The disc Tarmac SL6, two generations before the SL8. Six sizes 49, 52, 54, 56, 58, 61 on this build (no 44). Values printed with mm and degree suffixes, stripped by script. Stock tyre S-Works Turbo 700x26mm.
Source: html table (official Specialized GB product page for the Men's Tarmac Disc Expert, code 154558, the "Geometry" HTML table in the page; fetched 2026-10-20, HTTP 200)