Enter your ZIP code so we can provide the most accurate inventory and delivery information.
S-Works Aethos - Dura-Ace Di2
We deliver! Just say when and how.
Don’t get us wrong, we’re all for racing. Grand Tour top steps, Classic’s Monuments—they’re in our DNA. But sometimes riding simply to ride, riding for the love of riding, is just what we need. And this is what the Aethos lives for. Sure, it’s given nothing up to performance, and happens to be the lightest frame out there, but with no compromise to style. Aethos: Billions of calculations in the pursuit of one thing—the perfect ride.
Top off the world’s lightest frame with Shimano’s legendary Dura-Ace Di2 groupset and Roval’s featherweight Alpinist wheels and you’re left with a perfectly balanced top-tier ride that gives up nothing in the name of performance.
Frame
S-Works Aethos FACT 12r Carbon, Rider First Engineered™, Threaded BB, Electronic cable routing only, 12x142mm thru-axle, flat-mount disc
Fork
S-Works FACT Carbon, 12x100mm thru-axle, flat-mount disc
Handlebars
S-Works Short & Shallow, 125mm Drop, 75mm Reach w/Di2 Hole
Stem
S-Works SL, alloy, titanium bolts, 6-degree rise
Tape
Supacaz Super Sticky Kush
Saddle
Body Geometry S-Works Power, carbon fiber rails, carbon fiber base
SeatPost
Roval Alpinist Carbon Seatpost
Seat Binder
Specialized Alloy, 30.0mm, titanium bolt
Front Brake
Shimano Dura-Ace R9270, hydraulic disc
Rear Brake
Shimano Dura-Ace R9270, hydraulic disc
Shift Levers
Shimano Dura-Ace R9270, hydraulic disc
Front Derailleur
Shimano Dura-Ace R9250, braze-on
Rear Derailleur
Shimano Dura-Ace R9250, 12-speed
Cassette
Shimano Dura-Ace, 12-speed, 11-30t
Crankset
Shimano Dura-Ace R9200, HollowTech II, 12-speed with 4iiii Precision Pro dual-sided powermeter
Chainrings
52/36T
Bottom Bracket
Shimano Dura-Ace, BB-R9100
Chain
Shimano XTR M9100, 12-speed w/ quick link
Front Wheel
Roval Alpinist CLX, 21mm internal width carbon rim, 33mm depth, Win Tunnel Engineered, Roval AFD hub, 21h, DT Swiss Aerolite spokes
Rear Wheel
Roval Alpinist CLX, 21mm internal width carbon rim, 33mm depth, Win Tunnel Engineered, Roval AFD hub, 24h, DT Swiss Aerolite spokes
Front Tire
Turbo Cotton, 320 TPI, 700x26mm
Rear Tire
Turbo Cotton, 320 TPI, 700x26mm
Inner Tubes
Turbo Ultralight, 48mm Presta valve
* Weights based on production painted frames as pictured. Actual weights will vary based on colorway, frame size, and component variation. Specifications are subject to change without notice.
| 49 | 52 | 54 | 56 | 58 | 61 | |
|---|---|---|---|---|---|---|
| Crank Length | 165mm | 170mm | 172.5mm | 172.5mm | 175mm | 175mm |
| Stem Length | 80mm | 90mm | 100mm | 100mm | 110mm | 110mm |
| Handlebar Width | 380mm | 400mm | 420mm | 420mm | 440mm | 440mm |
| Seatpost Length | 300mm | 300mm | 360mm | 360mm | 360mm | 360mm |
| Saddle Width | 155mm | 155mm | 143mm | 143mm | 143mm | 143mm |
| Stack | 514mm | 527mm | 544mm | 565mm | 591mm | 612mm |
| Reach | 375mm | 380mm | 384mm | 395mm | 402mm | 408mm |
| Head Tube Length | 109mm | 120mm | 137mm | 157mm | 184mm | 204mm |
| Head Tube Angle | 71.75° | 72.5° | 73° | 73.5° | 73.5° | 74° |
| BB Height | 266mm | 266mm | 268mm | 268mm | 268mm | 268mm |
| BB Drop | 74mm | 74mm | 72mm | 72mm | 72mm | 72mm |
| Trail | 63mm | 58mm | 58mm | 55mm | 55mm | 52mm |
| Fork Length, Full | 369mm | 369mm | 369mm | 369mm | 369mm | 369mm |
| Fork Rake/Offset | 47mm | 47mm | 44mm | 44mm | 44mm | 44mm |
| Front Center | 574mm | 577mm | 579mm | 591mm | 606mm | 613mm |
| Chainstay Length | 410mm | 410mm | 410mm | 410mm | 410mm | 410mm |
| Wheelbase | 973mm | 975mm | 978mm | 991mm | 1005mm | 1012mm |
| Top Tube Length, Horizontal | 508mm | 531mm | 540mm | 562mm | 577mm | 595mm |
| Bike Standover Height | 705mm | 728mm | 748mm | 769mm | 796mm | 824mm |
| Seat Tube Length | 431mm | 462mm | 481mm | 504mm | 532mm | 567mm |
| Seat Tube Angle | 75.5° | 74° | 74° | 73.5° | 73.5° | 73° |
The riders have spoken. We are proud to announce that Specialized was crowned #1 again for best drop bar bike brand in the prestigious Gran Fondo Best Brand Awards for 2022. When we focus on what our riders want the most, it makes sense that our bikes are loved year after year.
Meditating on the breathing and swaying of a bike under load in the lab, lead engineer Peter Denk had an epiphany—true performance lies in the shape, not the material. After a few hundred thousand supercomputer simulations, we knew we were right.
At just 585 grams, the Aethos frame may be too light for the UCI rule book, but when the pros get a chance to just ride, it’s the Aethos they reach for. Ride along with the World Champ as he takes us up his favorite climb on a very special Aethos.
A bike built for the pure love of riding with the latest electronic 12-spd group from Shimano? Win, win. Faster, more precise shifting with an ultra-efficient drivetrain and a wireless cockpit to help you make the most of your new Aethos.
