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Today’s DealsAethos 2 Frameset
A carbon frame race frameset.
5'1" – 5'5"
5'3" – 5'7"
5'5" – 5'9"
5'7" – 6'0"
5'10" – 6'2"
6'0" – 6'4"
🐐 Estimated
None yet.
Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Mar 2026
Slightly tweaked geometry and bigger tyre clearances make it a more accessible bike for those who just want a road bike without worrying about aero
Geometry that's more rideable for more people
Handling is still very good
Extremely pretty
Slightly over-geared
Can't spec your cockpit of choice
Tyres too narrow for what it is good for

Oct 2025
Specialized’s Aethos 2 returns as the world’s lightest road frame, now with new upgrades that boost comfort, fit, and versatility for every cyclist.

Oct 2025 · Jordan Villella
Get your wallet ready, the new Specialized Aethos 2 just dropped and it looks like more of the classic looks with some performance tweaks.

Oct 2025 · Aaron Borrill
When Specialized unveiled the first-generation Aethos in 2020, it was an instant hit, perhaps only drawing flak from the rim-brake
Great ride quality
New geometry adds stability
35mm tyre clearance
Front-end integration
Still very light
Expensive in S-Works guise
Non-aero
Limited range depth
Oct 2025 · Ronan Mc Laughlin
Specialized solves one pain point but makes a new one, as the second-generation Aethos adds weight but still clings to the “lightest road bike” crown.

Oct 2025 · Jan Fock
New 2026 Specialized S-Works Aethos First Ride Test – Lighter, Cleaner, Pure Riding Fun?
Explosive acceleration
Agile, direct handling
More versatile thanks to increased tyre clearance
Classic, beautiful frame design with subtle S-Works branding
A little twitchy at high speeds
Wide handlebar feels too relaxed for narrower riders

Oct 2025
Geometry changes, added tyre clearance and an integrated front end turn this lightweight road bike into something like an endurance bike. Here are my first impressions of the all new Aethos 2
Jun 2025 · Josh Ross
Not an all-road and verging on relic status, but the passion behind Specialized S-Works Aethos continues to keep it relevant.
| Frame | Aethos 2 FACT 10r Carbon, Rider First Engineered™, Threaded BB, Hidden Cable Routing, 12x142mm thru-axle, flat-mount disc BB Standard: BSA, 68mm, Threaded Hanger Standard: UDH Color: Satin Nebula Metallic / Burnt Gold Metallic |
|---|---|
| Fork | Aethos 2 FACT 10r Carbon, 12x100mm thru-axle, flat-mount disc |
| Bottom Bracket | BSA, 68mm, threaded |
| Seatpost | Roval Alpinist Type: Rigid |
First added October 4
Last updated June 4