2026 Specialized Aethos Expert Axs Bike Satin Quartz Metallic / Nebula Metallic 58 284 x 140mm Shimano ZEE SL-M640 Right ShifterDyna-Sys

Shimano ZEE SL-M640 Right ShifterDyna-Sys compatible for easy set-up and accurate low effort shifting

Model Gradient Steerer Dia

Toothbrush

5" Tire Intended Use Road Tire Type Clincher Weight 928

2026 Specialized Aethos Expert Axs Bike Satin Quartz Metallic / Nebula Metallic 58 284 x 140mm Shimano ZEE SL-M640 Right ShifterDyna-SysWith a 705g frame, the Aethos 2 is the lightest bike 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, refined components, 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.