The 2026 S-Works Aethos 2 features a 595-gram FACT 12r frame and fork, a choice of Shimano Dura-Ace Di2 or SRAM RED AXS E1 groupsets, and new Roval Alpinist integrated cockpit and CLX III wheels with carbon spokes. Other specifications include an integrated cable routing system, 35mm tire clearance, and a slightly more relaxed geometry compared to the original model.
Frameset and Geometry
Frame & Fork: S-Works Aethos 2 FACT 12r Carbon, Rider First Engineered™
Frame Weight: 595 grams (size 56)
Geometry: Refined for comfort and stability with a higher stack height (15mm increase) and a longer wheelbase (7mm increase)
Tire Clearance: Increased to 35mm
Headset: Ceramic Speed SLT Headset Bearings
Drivetrain
Shimano Dura-Ace Di2 option:
Crankset: Dura-Ace FC-R9200 (52/36T)
Cassette: Dura-Ace CS-R9200 (11-30T)
Shifters and Derailleurs: Shimano Dura-Ace Di2 R9200
Brakes: Shimano Dura-ACE BR-R9200 hydraulic disc (160mm front / 140mm rear)
SRAM RED AXS E1 option:
Crankset: SRAM RED E1 (48/35T)
Cassette: SRAM RED XG-1290 E1 (10-33t)
Shifters and Derailleurs: SRAM RED AXS E1 hydraulic disc
Brakes: SRAM RED E1 hydraulic disc
Cockpit and Wheels
Cockpit: Roval Alpinist Cockpit II (integrated bar/stem)
Wheels: Roval Alpinist CLX III with carbon spokes and SINC Ceramic Bearings
Tires: S-Works Turbo TLR Race Tire, 700x28c
Other Components
Seatpost: Roval Alpinist Carbon Seatpost
Saddle: S-Works Power with Mirror
Handlebar Tape: Supacaz Super Sticky Kush