The S-Works Aethos 2 FACT 12r Carbon Road Bike Frameset represents the pinnacle of lightweight road bike engineering, delivering unmatched ride quality, responsiveness, and performance for serious road cyclists. Featuring an incredibly light 595g FACT 12r carbon frame, the Aethos 2 is widely regarded as the lightest production road bike frame in the world, designed to provide the ultimate balance of stiffness, compliance, and efficiency.
- Ultra-light 595g FACT 12r carbon road bike frame
- FACT 12r carbon fork for precise steering and control
- Performance endurance geometry for climbing and long-distance rides
- Increased tyre clearance for improved comfort and versatility
- Includes Roval Alpinist carbon seatpost
- Ideal for building a custom lightweight road bike or climbing bike
Built for riders who want the purest connection to the road, the S-Works Aethos 2 frameset is engineered to disappear beneath you, offering sublime handling, smooth power transfer, and exceptional climbing performance. Whether you're building your dream lightweight climbing bike, endurance road bike, or premium custom road setup, the Aethos 2 provides the perfect foundation for high-performance road cycling.
The frame features refined performance-endurance geometry and increased tyre clearance, allowing riders to enjoy greater comfort, versatility, and control across varied road conditions. The frameset includes a FACT 12r carbon fork and Roval Alpinist carbon seatpost, ensuring the same lightweight performance and premium ride feel expected from an S-Works level road bike platform.
Designed with cutting-edge carbon layup techniques and Specialized’s decades of frame-building expertise, the S-Works Aethos 2 frameset offers a unique combination of ultra-low weight, responsive handling, and timeless road bike aesthetics, making it the perfect starting point for a custom lightweight performance road bike build.
Contact us to discuss building your dream S-Works Aethos Road Bike to give you the freedom to choose a spec that suits you and your rides.
Build the lightest, most refined performance road bike with the S-Works Aethos 2 FACT 12r Carbon Frameset, crafted for riders who love the ride above all else.