Aethos Pro Di2 (2026)

Aethos 2
Break the Rules

The Aethos 2 features an exceptionally light 705g frame, making it the lightest bike in its category. However, its design goes beyond just weight savings. Crafted by challenging traditional racing norms, it offers an unmatched road riding experience—balanced, responsive, and smooth. Enhanced with greater tire clearance, upgraded components, and geometry optimized through data, it delivers an elevated ride quality to a wider range of cyclists. The Aethos 2 redefines the rules for those who truly appreciate riding.

At a Glance

• Use:Performance Road Riding
• Frameset:705g FACT 10r Frame / FACT 10r Fork
• Fit:Performance Endurance
• Cockpit & Wheels:Roval Alpinist Integrated Cockpit II and CL II wheels
• Drivetrain:Shimano Ultegra Di2
• Weight:6.73kg (56cm)

Frame: Aethos 2 FACT 10r Carbon, Rider First Engineered™, Threaded BB, Hidden Cable Routing, 12x142mm thru-axle, flat-mount disc
Fork: Aethos 2 FACT 10r Carbon, 12x100mm thru-axle, flat-mount disc

Front Brake: Shimano Ultegra BR-R8170, hydraulic disc
Rear Brake: Shimano Ultegra BR-R8170, hydraulic disc

Bottom Bracket: Shimano Threaded BSA BB
Rear Derailleur: Shimano Ultegra Di2 R8150, 12-speed
Front Derailleur: Shimano Ultegra Di2 R8150, braze-on
Shift Levers: Shimano Ultegra Di2 R8170, hydraulic disc
Crankset: Shimano Ultegra R8100 w/ 4iiii Precision 3+ single-sided power meter, 52/36t
Cassette: Shimano Ultegra, 12-speed, 11-30t
Chain: Shimano XT M8100, 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 CL II – 21mm internal width carbon rim, 33mm depth, Win Tunnel Engineered, DT for Roval 350 hub, DT Swiss Aerolite spokes, tubeless-ready
Rear Wheel: Roval Alpinist CL II – 21mm internal width carbon rim, 33mm depth, Win Tunnel Engineered, DT for Roval 350 hub, DT Swiss Aerolite spokes, tubeless-ready

Handlebars: Roval Alpinist Cockpit II, integrated bar/stem
Saddle: Power Pro Mirror, hollow Ti rails
Seatpost: Roval Alpinist Carbon Seatpost
Seat Binder: Specialized Alloy, 30mm
Tape: Supacaz Super Sticky Kush

Product ID: 279155
Weight (Size 56): 6.73 kg (14 lb, 13.4 oz), tubeless