SRAM Pressfit 30 to BSA Adapter - 68 / 73mmSRAM Pressfit 30 to BSA Adapter SRAM developed PressFit 30 to take the strongest elements of BB30 and traditional PressFit systems and combine them into one refined and highly efficient bottom bracket solution. The result is a system that delivers excellent power transfer, reduced weight and improved durability while simplifying installation and long term performance. PressFit 30 uses bearings housed in robust nylon cups that press directly into the