Cya pressfit 30 niner air 9 carbon bottom bracket adapter

The CYA Bottom Bracket System is a new advance that has been incorporated into the AIR9 Carbon frame. This technology accepts five different bottom bracket inserts, which fit the frame with a very simple and fast mechanism. Accepts the following inserts: EEB30, Sram BB30, Excen tric EBB, BB90 and Standard BB. There are five inserts available for each system. When buying the frame we can choose the type of change or singlespeed model and the type of bottom bracket.