With 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. Use - Performance Road Riding Frameset - 705g FACT 10r Frame / FACT 10r Fork Fit - Performance Endurance Cockpit & Wheels - Roval Alpinist II and CL II wheels Drivetrain - Shimano Ultegra Di2 Weight - 6.73kg (56cm)