S-Works Aethos 2 - Shimano Dura-Ace Di2 co2 and pressurized inflation device Perforated single-layer Clarino® palm for

Perforated single-layer Clarino® palm for superior airflow and comfort

Includes spare rubber seal for head

evolved to decrease weight while improving ride quality and durability

The Transiro Aeris Short Distance R3 is an innovative triathlon and time-trial cycling saddle engineered to maximize stability and support for explosive power during shorter rides and races

M4 narrow-wide profile delivers enhanced chain retention and cross compatibility with Shimano

S-Works Aethos 2 - Shimano Dura-Ace Di2 co2 and pressurized inflation device Perforated single-layer Clarino® palm forAt just 595 grams, the S Works Aethos 2 is the lightest production road frame in the world. But that was never the point. Built by breaking the rules of racing to deliver pure road riding bliss, Aethos 2 is engineered to disappear beneath you. Impossibly 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