This is Wheels Manufacturing's PF30 Outboard Bottom Bracket with ABEC-3 bearings for 30mm spindles. The thread together aluminum cups reduce creaking while increasing the life of the bearings.
Frame Interface: PF30
Spindle Interface: 30mm (RaceFace/Easton CINCH, 386 EVO, Rotor 3D+, e*Thirteen P3 Connect, Zipp Vuma)
Bottom Bracket Shell ID: PF46
Shell Width: 61mm to 83mm
Bearings: Enduro ABEC-3