Tripeak BB30/BB30A/PF30/PF30A To BB386(Rotor 3D+) Crankset Twist Fit enables you to run a 30mm (FSA 386 EVO/ROTOR 3D+, long axle) cranks in a BB30, BB30A, PF30 or PF30A frame. It’s available in Ceramic, it has been well designed and taking into account two main factors both smoothness and reliability.