S-Works Aethos 2 Di2 (2026)

S-Works Aethos 2
Break the Rules

At just 595 grams, the S-Works Aethos 2 is the lightest production road frame in the world. But that was never the point. Built by breaking the rules of racing to deliver pure road riding bliss, Aethos 2 is engineered to disappear beneath you. Impossibly responsive, supple, and sublime. Now with increased tire clearance, refined components, and data-based fit-enhancing geometry, it brings that transcendent ride feel to more riders than ever. Aethos 2 breaks the rules, for the love of the ride.

At a Glance

• Use:Performance Road Riding
• Frameset:595g FACT 12r Frame / FACT 12r Fork
• Fit:Performance Endurance
• Cockpit & Wheels:Roval Alpinist Integrated Cockpit II and CLX III wheels
• Drivetrain:Shimano Dura-Ace Di2
• Weight:6.05kg (56cm)

Frame: S-Works Aethos 2 FACT 12r Carbon, Rider First Engineered™, Threaded BB, Hidden Cable Routing, 12x142mm thru-axle, flat-mount disc
Fork: S-Works Aethos 2 FACT 12r Carbon, 12x100mm thru-axle, flat-mount disc

Front Brake: Shimano Dura-Ace BR-R9270, hydraulic disc
Rear Brake: Shimano Dura-Ace BR-R9270, hydraulic disc

Crankset: Shimano Dura-Ace R9200, HollowTech II, 12-speed w/ 4iiii Precision Pro dual-sided power meter, 52/36t
Rear Derailleur: Shimano Dura-Ace Di2 R9250, 12-speed
Front Derailleur: Shimano Dura-Ace Di2 R9250, braze-on
Shift Levers: Shimano Dura-Ace Di2 R9270, hydraulic disc
Cassette: Shimano Dura-Ace, 12-speed, 11-30t
Bottom Bracket: Shimano Dura-Ace BB-R9100
Chain: Shimano XTR M9100, 12-speed w/ quick link

Inner Tubes: 700×25-35, 50mm Presta valve, TPU
Front Tire: S-Works Turbo TLR Race Tire, 700x28c
Rear Tire: S-Works Turbo TLR Race Tire, 700x28c
Front Wheel: Roval Alpinist CLX III – Tubeless, 33mm depth, 26.5mm width, 21mm internal width carbon rim, Roval LF21-F 21H hub w/ SINC Ceramic Bearings, Roval by ARRIS Composite Aero Spokes w/ Ti end fittings
Rear Wheel: Roval Alpinist CLX III – Tubeless, 33mm depth, 26.5mm width, 21mm internal width carbon rim, Roval LF19-R 24H hub w/ SINC Ceramic Bearings, Roval by ARRIS Composite Aero Spokes w/ Ti end fittings

Handlebars: Roval Alpinist Cockpit II, integrated bar/stem
Seatpost: Roval Alpinist Carbon Seatpost, lightweight clamp
Saddle: S-Works Power with Mirror
Seat Binder: Specialized Alloy, 30.0mm, titanium bolt
Tape: Supacaz Super Sticky Kush

Product ID: 221562
Weight (Size 56): 6.05 kg (13 lb, 5.4 oz), tubeless