2027 Specialized Aethos Expert Di2 Bike Gloss Dolomite Metallic / Blue Pearl Over Shadow Silver 58 CheckoutTitle=microSHIFT ADVENT Super Short Rear Derailleur - 9 Speed Note: cranks must be over

Note: cranks must be over 86mm wide to work on this system

Ramped knobs provide lowest rolling resistance and continuous ground contact

Integrated Shadow RD+ technology prevents chain slap and ensures precise shifting even on rough terrain

It’ll keep moisture out creating a durable anticorrosive layer of protection on your bike’s frame chain metal parts plastics and paintwork

2027 Specialized Aethos Expert Di2 Bike Gloss Dolomite Metallic / Blue Pearl Over Shadow Silver 58 CheckoutTitle=microSHIFT ADVENT Super Short Rear Derailleur - 9 Speed Note: cranks must be overWith 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.