Velopedia Bicycle Archive

2026 Specialized S-Works Aethos 2 Frameset - FACT 12r Carbon

Original specifications: 1.24 kg (2 lb, 11.7 oz) published weight · geometry for 6 published sizes.

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At a glance

Model year: 2026
Category: Road
Original MSRP: $5,499.99
Sizes: 49, 52, 54, 56, 58, 61
Colors: Red Tint, Satin Black Ink Wash, Gloss Blue + Black Ink Wash, Gloss Silver Blurred Impasto, Ready To Paint Raw Carbon
Weight: 1.24 kg (2 lb, 11.7 oz)
Geometry: 6 manufacturer sizes
In this record: 5 specifications · 8 archived images · original MSRP · geometry
Archive ID: 900001081

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Original buildCarbon Fiber

Manufacturer catalog

Published sizes and colors

6 sizes · 5 colors

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

495254565861

Published colors

Red TintSatin Black Ink WashGloss Blue + Black Ink WashGloss Silver Blurred ImpastoReady To Paint Raw Carbon

+ 0 more colors + 1 more color

Ready To Paint Raw Carbon

Frameset

Frame Construction	S-Works Aethos 2 FACT 12r Carbon, Rider First Engineered™, Ceramic Speed SLT Headset Bearings, Threaded BB, Hidden Cable Routing, 12x142mm thru-axle, flat-mount disc
Frame Material	Carbon Fiber
Fork	S-Works Aethos 2 FACT 12r Carbon, 12x100mm thru-axle, flat-mount disc
Fork Material	Carbon Fiber

Cockpit & Contact Points

Seatpost	Roval Alpinist Carbon Seatpost, light weight clamp

Geometry

6 sizes · 16 measurements

Frame measurements by size.

Measurement	49 · 300mm	52 · 300mm	54 · 360mm	56 · 360mm	58 · 360mm	61 · 360mm
Seat tube	450 mm	470 mm	490 mm	510 mm	535 mm	570 mm
Effective top tube	508 mm	526 mm	544 mm	557 mm	572 mm	584 mm
Head tube	114 mm	128 mm	150 mm	169 mm	198 mm	218 mm
Head-tube angle	71.4°	72.1°	72.5°	73°	73°	73.5°
Seat-tube angle	75.5°	74.5°	74°	74°	74°	74°
Chainstay / rear center	410 mm	410 mm	410 mm	410 mm	410 mm	410 mm
Wheelbase	978 mm	981 mm	992 mm	998 mm	1013 mm	1020 mm
Bottom-bracket drop	76.5 mm	76.5 mm	75 mm	75 mm	73.5 mm	73.5 mm
Bottom-bracket height	265.5 mm	265.5 mm	267 mm	267 mm	268.5 mm	268.5 mm
Reach	373 mm	377 mm	384 mm	391 mm	398 mm	404 mm
Stack	522 mm	538 mm	559 mm	580 mm	606 mm	627 mm
Standover height	719 mm	737 mm	759 mm	779 mm	805 mm	834 mm
Fork offset / rake	50 mm	50 mm	50 mm	47 mm	47 mm	47 mm
Front center	581 mm	584 mm	594 mm	599 mm	614 mm	621 mm
Trail	62 mm	58 mm	55 mm	55 mm	55 mm	52 mm
Fork length / axle-to-crown	372 mm	372 mm	372 mm	372 mm	372 mm	372 mm

Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.

Parts & serviceability

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Original specifications

Seatpost · Original

Roval Alpinist Carbon Seatpost, light weight clamp

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Gallery8 images