CeramicSpeed BB30 Pressfit Bearings Without Cups (CS 61806)

CeramicSpeed BB30 Pressfit Bearings Without Cups (CS 61806) CeramicSpeed standard bearings use CeramicSpeed balls; which are 100% smoother and 15% harder than other ceramic ball bearings; and they also last at least three times longer. This means that the CeramicSpeed BB30 bearings for Pressfit bottom brackets save energy and maximise drivetrain performance. Supplied without cups for a lighter assembly; this is a fully optimised product; even the grease used has been developed for its low viscosity and its energy saving properties.