Specialized Tarmac SL9 S-Level geometryRoad · 2026 · 7 sizes, from 44 to 61

The Specialized Tarmac SL9 S-Level is a road bike available in 7 sizes, from 44 to 61. Stack ranges from 501 to 612 mm and reach from 366 to 408 mm. Its position sits between racing and endurance. All sizes share 410 mm chainstays.

Stack501–612mm

Reach366–408mm

Head angle70.5–74.0°

Chainstay length410mm

What size Tarmac SL9 S-Level do I need?

Enter the stack and reach of a bike that fits you well and we will tell you which size is closest and how to set it up.

Stack in mm Reach in mm Compare on Fitbikefy →

44S 501 · R 366

49S 514 · R 375

52S 527 · R 380

54S 544 · R 384

56S 565 · R 395

58S 591 · R 402

61S 612 · R 408

Enter your stack and reach to see which size fits you best.

Geometry chart by size

Measurements in mm and degrees, as published by Specialized. The ones that matter most for choosing a size are in bold.

Size	44	49	52	54	56	58	61
Stack	501	514	527	544	565	591	612
Reach	366	375	380	384	395	402	408
Effective top tube	496	509	531	540	563	577	595
Head tube length	99	109	120	140	157	184	204
Head angle	70.5°	71.8°	72.5°	72.5°	73.5°	73.5°	74.0°
Chainstay length	410	410	410	410	410	410	410
Wheelbase	970	973	975	986	991	1,006	1,013
Front centre	567	570	572	582	587	602	609
BB drop	74	74	74	72	72	72	72
BB height	266	266	266	268	268	268	268
Fork length	370	370	370	370	370	370	370
Fork offset	47	47	47	47	44	44	44
Trail	71	63	58	58	55	55	52
Standover	722	734	745	767	785	807	833
Seat tube (method not stated)	433	445	456	473	494	515	545
Seat angle (method not stated)	75.5°	75.5°	74.0°	74.0°	73.5°	73.5°	73.0°

Source: Specialized official website · data from 11 Nov 2026.

Stack and reach of every size

Higher means a taller front end; further right means a longer reach. The blue dot is your search.

Character of each size

Compared with other road bikes. Further right means more of that quality.

Positionracing → relaxed

Steeringcalm → quick

Pedallingrearward → forward

Bottom brackethigh → low

Wheelbaselively → planted

Rear endstable → agile

Bikes with similar geometry (size 54)

The closest size of other road models, by stack and reach.

ModelΔ stackΔ reach

Specialized Tarmac SL8 · 542026±0 mm±0 mmCompare →

Specialized S-Works Tarmac SL9 · 542026±0 mm±0 mmCompare →

Specialized Tarmac SL9 · 542026±0 mm±0 mmCompare →

Cube Agree C:62 · 53 cm2026±0 mm−1 mmCompare →

Cube Agree C:62 SLX · 53 cm2026±0 mm−1 mmCompare →

Cube Agree C:62 EX · 53 cm2026±0 mm−1 mmCompare →

Tarmac SL9 S-Level or Tarmac SL8? In size 54 they have exactly the same stack and reach (544 / 384 mm): the difference is in the frame and build, not the position.

Frequently asked questions

What size Tarmac SL9 S-Level do I need?

It depends on your position, not just your height. The most reliable way is to compare the stack and reach of a bike that fits you with those of each size (from 501/366 mm in size 44 to 612/408 mm in size 61). The size finder on this page shows the closest size and the stem and spacers you would need.

What are the stack and reach of the Tarmac SL9 S-Level in size 54?

Stack of 544 mm and reach of 384 mm, with an effective top tube of 540 mm and a head angle of 72.5°.

Is the Tarmac SL9 S-Level a racing or an endurance bike?

In between. In size 54 its stack-to-reach ratio is at percentile 35 of road bikes: neither very low nor very tall.

Does it have the same geometry as the Tarmac SL8?

In size 54, yes: same stack and reach. If one already fits you, the same size of the other will put you in the same position.