NINER CYA Bottom Bracket Insert - BB30 Features
CYA inserts come in Press Fit 30, BB30, standard threaded, and Press Fit 92 configurations to allow the use of a wide variety crank and bottom bracket combinations. CYA inserts work with many, but not all, Niner models. They are compatible with: Air 9 Carbon CYA, SIR 9, ROS 9 or One 9 RDO.