Profile Design - 52 ASC Aerobar Extensions S3-Cat-TyresTubes&Sealants-Tyres-12" Newly updated to include a

Newly updated to include a dedicated E-tube Di2 cable connector that easily pulls through a 6mm frame hole

It includes reflective trims for increased visibility and space to fit extra LED lights

and for good reason

It also offers space

Dura-Ace® BB-R9100

Profile Design - 52 ASC Aerobar Extensions S3-Cat-TyresTubes&Sealants-Tyres-12" Newly updated to include aPROFILE DESIGN 52 ASC AEROBAR EXTENSIONS When designing these extensions we wanted to utilize carbon fibers' natural ability to be shaped into an aerodynamic form while still providing a good amount of strength and rigidity, hence ASC stands for Aero Shaped Carbon. The 52 ASC follows on from our hugely popular first Aero Shaped Carbon extension (The 43 ASC) with increased grip angle. The front section (from the wrist fin forward) has been angled up by