2026 Specialized Aethos 2 Frameset - FACT 10r Carbon
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With a 705g frame, the Aethos 2 is the lightest in its class. But weight was never the point. Built by breaking racing's rules to deliver pure road riding bliss, it's engineered to disappear beneath you: responsive, supple, and sublime. Now with increased tire clearance and data-based fit-enhancing geometry, it brings that transcendent ride feel to more riders than ever. Aethos 2 breaks the rules, for the love of the ride.
- 705g FACT 10r Carbon Frame: Lightest in its class, Rider First Engineered™.
- FACT 10r Carbon Fork: Full carbon, 12x100mm thru-axle, flat-mount disc.
- Roval Alpinist Carbon Seatpost: Lightweight seatpost included.
- 28mm Tire Clearance: Increased clearance for modern road tires.
- Hidden Cable Routing: Clean aesthetics, aerodynamic advantage.
- 68mm Threaded BB: Standard BSA, no special tools required.
- 12x142mm Thru-Axle: Flat-mount disc, precise wheel alignment.
- Rider First Engineering: Every size gets the same transcendent ride quality.
Frameset weight: 1.37kg (56cm). Six sizes: 49, 52, 54, 56, 58, 61. Build your dream road machine.
| 49 | 52 | 54 | 56 | 58 | 61 | |
|---|---|---|---|---|---|---|
| Seatpost Length | 300 | 300 | 360 | 360 | 360 | 360 |
| Stack | 522 | 538 | 559 | 580 | 606 | 627 |
| Reach | 373 | 377 | 384 | 391 | 398 | 404 |
| Head Tube Length | 114 | 128 | 150 | 169 | 198 | 218 |
| Head Tube Angle | 71.4° | 72.1° | 72.5° | 73° | 73° | 73.5° |
| BB Height | 265.5 | 265.5 | 267 | 267 | 268.5 | 268.5 |
| BB Drop | 76.5 | 76.5 | 75 | 75 | 73.5 | 73.5 |
| Trail | 62 | 58 | 55 | 55 | 55 | 52 |
| Fork Length, Full | 372 | 372 | 372 | 372 | 372 | 372 |
| Fork Rake/Offset | 50 | 50 | 50 | 47 | 47 | 47 |
| Front Center | 581 | 584 | 594 | 599 | 614 | 621 |
| Chainstay Length | 410 | 410 | 410 | 410 | 410 | 410 |
| Wheelbase | 978 | 981 | 992 | 998 | 1013 | 1020 |
| Top Tube Length, Horizontal | 508 | 526 | 544 | 557 | 572 | 584 |
| Bike Standover Height | 719 | 737 | 759 | 779 | 805 | 834 |
| Seat Tube Length | 450 | 470 | 490 | 510 | 535 | 570 |
| Seat Tube Angle | 75.5° | 74.5° | 74° | 74° | 74° | 74° |
Shipping Policy
Components:
All component items (wheels, drivetrains, suspension, brakes, etc.) ship within 1–4 business days of purchase.
Bicycles:
Complete bikes typically ship within 2–3 weeks due to build, tuning, and inspection times. You will receive tracking information as soon as your order is ready to ship.
Riding Gear & Apparel:
Riding gear and apparel orders (helmets, jerseys, gloves, etc.) ship within 1–3 business days.
Returns & Exchanges:
If you received the wrong size or wish to exchange an item, it must be returned in original condition—unused, uninstalled, and with all packaging intact.
For full details, please see our Refund Policy before initiating a return.