What if we used every ounce of experience we’ve gained serving riders over the past 46 years and built a bike made simply for the love of riding? The Aethos is designed to straddle the line between perfect ride quality, extreme lightweight, and undeniable style. The Aethos Pro model is no exception.

The Aethos frame has been designed with the perfect combination of ultimate ride feel, light weight, and style—from accelerating up steep pitches and descending technical descents, to all-day saddle comfort on even the longest coffee rides, the Aethos hits the mark. But how, you ask? By reinventing the traditional road shape found on bikes of the past, we’ve subtly altered these shapes to deliver massive gains in stiffness and balance, all without affecting weight or durability. Pair that with an entirely-new layup and process that we’ve perfected over multiple decades and you have the lightest frame out there (585 grams, S-Works, size 56cm). The Aethos is more than just a new bike, it’s the first of a new breed.

A featherweight frame is useless without confidence-inspiring ride characteristics, which is why we’ve developed the Aethos to have the perfect balance of front and rear stiffness combined with exceptional ride quality. By studying the flexing and breathing of carbon fiber, we were able to discover groundbreaking findings about how forces flow through frames. Just a few pedal strokes and you’ll realize this sublime ride sets a new standard.

Every detail, from the derailleur hangers to the fork expander plug have been designed with style, weight, and durability in mind. We’ve also spec’d it with Roval’s all-new Alpinist carbon seatpost further saving weight and improving ride characteristics. Everything in pursuit for the perfect ride.

Key Features & Benefits

• Fact 10r Carbon frame: Lightweight and lively for the best all-round road bike ever designed.
• Shimano Hydraulic disc brakes: Stop faster, by spending less time on the brakes your average speed will increase for no extra effort.
• Shimano Ultegra R8070 Di2 22 speed groupset: Precise and reliable shifting with a wide range of gears for any climb or descent.

Full Specification

• Frame: Aethos FACT 10r Carbon, Rider First Engineered™, Threaded BB, 12x142mm thru-axle, flat-mount disc
• Fork: FACT Carbon, 12x100mm thru-axle, flat-mount disc
• Number of Gears: 22
• Gear Shifters: Shimano Ultegra Di2 Disc R8070
• Chainset: Shimano Ultegra R8000, HollowTech 2
• Chainrings: 52/36T
• Rear Cassette: Shimano Ultegra R8000, 11-speed, 11-30t
• Chain: Shimano Ultegra, 11-speed
• Front Derailleur: Shimano Ultegra Di2 R8050, braze-on
• Rear Derailleur: Shimano Ultegra Di2 R8050-GS, medium cage
• Bottom Bracket: Shimano Threaded BSA BB
• Pedals: N/A
• Rims: Roval Alpinist CL, 21mm internal width carbon rim, 33mm depth, Win Tunnel Engineered
• Front Hub: DT for Roval 350 hub, DT Swiss Aerolite spokes
• Rear Hub: DT for Roval 350 hub, DT Swiss Aerolite spokes
• Front Tyre: S-Works Turbo, 120 TPI, folding bead, BlackBelt protection, 700x26mm
• Rear Tyre: S-Works Turbo, 120 TPI, folding bead, BlackBelt protection, 700x26mm
• Brakes: Shimano Ultegra R8070, hydraulic disc
• Handlebars: Specialized Expert Shallow Drop, alloy, 125mm drop x 75mm reach
• Handlebar Tape: Supacaz Super Sticky Kush
• Headset: N/A
• Stem: Specialized Pro SL, alloy, 4-bolt
• Saddle: Body Geometry Power Expert, Hollow Titanium Rails
• Seatpost: Roval Alpinist Carbon Seatpost