Sealed bearing; Inner layer for protection against moisture; greased with Phil Wood bearing grease
Reliability and durability - if thats what youre looking for, the BB Cinch 30 mm BSA 68/73 mm bottom bracket is perfect! It is compatible with all standard BSA threads and comes with sealed bearings that are protected from corrosion. The inner sleeve serves to provide protection from moisture getting into the shell. The bearings are filled with Phil Wood bearing grease. If your building your own bike, the BB Cinch 30 mm BSA 68/73 mm bottom bracket is a great choice.