Specialized Tarmac SL6 Disc 2020 geometry

Specialized Tarmac SL6 Disc 2020 (carbon road) has 7 published frame sizes. Stack 500–612 mm; reach 365–408 mm. Sources, weights and tyre clearance where available.

Road · carbon · 2020

Check the source. The frame version or current availability is not fully confirmed. Check the source notes.

Measurements

Lengths in mm · Angles in degrees Select + beneath a size to compare

Specialized Tarmac SL6 Disc 2020 geometry
Frame size	44	49	52	54	56	58	61
Stack mm	500	514	527	544	565	591	612
Reach mm	365	375	380	384	395	402	408
Effective top tube mm	493	511	535	544	566	581	599
Seat tube length mm	435	451	481	499	519	540	570
Head tube length mm	105	115	126	143	163	190	210
Head tube angle °	70.5	71.75	72.5	73	73.5	73.5	74
Seat tube angle °	76	75.5	74	74	73.5	73.5	73
Chainstay length mm	410	410	410	410	410	410	410
Wheelbase mm	969	973	975	978	990	1005	1012
Bottom bracket drop mm	74	74	74	72	72	72	72
Bottom bracket height mm	266	266	266	268	268	268	268
Fork length mm	363	363	363	363	363	363	363
Fork offset mm	47	47	47	44	44	44	44
Trail mm	71	63	58	58	55	55	52
Standover height mm	730	740	755	775	795	826	850
Front centre mm	571	574	577	579	591	606	613

— Not published in the collected chart. Size labels follow the manufacturer.

Frame and fork weight

Frame: 800 g · size 56
S-Works FACT 12r Tarmac SL6 Disc; BikeRadar-reported Specialized claim for painted size-56 frame. Not independently weighed; included hardware unspecified. Does not apply to standard FACT 9r.
Third-party source

Tyre clearance

Not verified for this frame.

Sources

Reviewed 2026-10-01

Measurement and frame notes

The 800 g painted size-56 figure is BikeRadar’s report of Specialized’s S-Works FACT 12r frame claim. The standard 2020 Tarmac SL6 Disc uses FACT 9r and has no verified frame-only weight here.

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