Shimano Metanium, Bantam XCR ULTRA Kit
Simply put, the highest precision, best quality ceramic bearing available. It does not get any better. Ceramic high precision ribbon retainers and S30 ceramic balls make the Spool Speed Peek the king of the hill!
Bantam, Metanium contains: 1-5x11x4, 1-3x10x4, 1-5x9x3
XCR Ultra- The highest level Performance Bearings available in a fishing reel. ABEC9 With S30 Ceramic balls and PEEK Polyether Ether Ketone ribbon cage/retainer