The BBInfinite PressFit30 DirectFit Shimano BB module works with all Shimano HollowTech road cranksets on the market, from Tiagra to Dura Ace. This module is specific to the 68mm bottome bracket shell.
Attention Specialized owners: Go here- OSBB Specia
BBInfinite
American made bottom brackets that solve all press fit creaking and performance issues.