E*thirteen PressFit 30 Bottom Bracket, Features: PF30 bottom brackets adapt E*thirteen cranks to fit pressfit bottom bracket shells, but space the bearings nice and wide outside the bottom bracket shell for maximum stiffness A threaded center tube keeps bearings properly aligned for longer life and creak-free performance Specifications: 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: 68mm, 73mm, 83mm Color: Black Weight: 123g