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The Aethos line promises three things: unprecedented weight savings, perfectly-balanced ride quality, and undeniable style. For the Aethos Pro we threw out the rulebook to create the ride of your life.
- 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 and wheels, further saving weight and improving ride characteristics. Everything in pursuit for the perfect ride.
Technical Specifications
FRAMESET
| Frame | Aethos FACT 10r Carbon, Rider First Engineered™, Threaded BB, 12x142mm thru-axle, flat-mount disc |
SUSPENSION
| Fork | FACT Carbon, 12x100mm thru-axle, flat-mount disc |
COCKPIT
| Handlebars | S-Works Short & Shallow |
| Stem | Specialized Pro SL, alloy, 4-bolt |
| Tape | Supacaz Super Sticky Kush |
| Saddle | Body Geometry Power Pro, Hollow Titanium Rails, Carbon Fiber Base |
| SeatPost | Roval Alpinist Carbon Seatpost |
| Seat Binder | Specialized Alloy, 30.0mm |
BRAKES
| Front Brake | SRAM Force eTAP, hydraulic disc |
| Rear Brake | SRAM Force eTAP, hydraulic disc |
DRIVETRAIN
| Front Derailleur | SRAM Force eTAP AXS, braze-on |
| Rear Derailleur | SRAM Force eTAP AXS, 12-speed |
| Cassette | SRAM Force, XG-1270, 12-speed, 10-33t |
| Crankset | SRAM FC Force DUB, 12-speed |
| Bottom Bracket | SRAM DUB BSA 68 |
| Chain | SRAM Force, 12-speed |
WHEELS & TIRES
| Front Wheel | Roval Alpinist CL, 21mm internal width carbon rim, 33mm depth, Win Tunnel Engineered, DT for Roval 350 hub, DT Swiss Aerolite spokes |
| Rear Wheel | Roval Alpinist CL, 21mm internal width carbon rim, 33mm depth, Win Tunnel Engineered, DT for Roval 350 hub, DT Swiss Aerolite spokes |
| Front Tire | S-Works Turbo, 120 TPI, folding bead, BlackBelt protection, 700x26mm |
| Rear Tire | S-Works Turbo, 120 TPI, folding bead, BlackBelt protection, 700x26mm |
| Inner Tubes | Turbo Ultralight, 48mm Presta valve |
* Specifications are subject to change without notice
Geometry
Aethos - Geometry
| 49 | 52 | 54 | 56 | 58 | 61 | |
|---|---|---|---|---|---|---|
| Crank Length | 165mm | 170mm | 172.5mm | 172.5mm | 175mm | 175mm |
| Stem Length | 80mm | 90mm | 100mm | 100mm | 110mm | 110mm |
| Seatpost Length | 300mm | 300mm | 360mm | 360mm | 360mm | 360mm |
| Saddle Width | 155mm | 155mm | 143mm | 143mm | 143mm | 143mm |
| Handlebar Width | 380mm | 400mm | 420mm | 420mm | 440mm | 440mm |
| Reach | 375mm | 380mm | 384mm | 395mm | 402mm | 408mm |
| Top Tube Length, Horizontal | 508mm | 531mm | 540mm | 562mm | 577mm | 595mm |
| Stack | 514mm | 527mm | 544mm | 565mm | 591mm | 612mm |
| Wheelbase | 973mm | 975mm | 978mm | 991mm | 1005mm | 1012mm |
| Chainstay Length | 410mm | 410mm | 410mm | 410mm | 410mm | 410mm |
| Front Center | 574mm | 577mm | 579mm | 591mm | 606mm | 613mm |
| BB Drop | 74mm | 74mm | 72mm | 72mm | 72mm | 72mm |
| BB Height | 266mm | 266mm | 268mm | 268mm | 268mm | 268mm |
| Seat Tube Angle | 75.5° | 74° | 74° | 73.5° | 73.5° | 73° |
| Head Tube Angle | 71.75° | 72.5° | 73° | 73.5° | 73.5° | 74° |
| Seat Tube Length | 431mm | 462mm | 481mm | 504mm | 532mm | 567mm |
| Head Tube Length | 109mm | 120mm | 137mm | 157mm | 184mm | 204mm |
| Bike Standover Height | 705mm | 728mm | 748mm | 769mm | 796mm | 824mm |
| Fork Rake/Offset | 47mm | 47mm | 44mm | 44mm | 44mm | 44mm |
| Fork Length, Full | 369mm | 369mm | 369mm | 369mm | 369mm | 369mm |
| Trail | 63mm | 58mm | 58mm | 55mm | 55mm | 52mm |
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