CH SERIES CERAMIC HYBRID
BB30/BBRIGHT/SI
BOTTOM BRACKET BEARING KIT
(for cranksets with 30mm spindles)

Includes two (2) ceramic hybrid cartridge bearings, two auxiliary seals, two stainless steel circlips, and one wave washer.

Grade 5 ceramic balls are matched with hardened chromium steel races that are cryogenically treated and polished to get the most out of the ceramic balls. Packed with top-quality grease