SRAM DUB Wide PressFit Ceramic Bottom Bracket - PressFit, 86.5mm, Road-Wide, BlackThe game changing DUB family goes ceramic. While DUB has been simplifying the game, eliminating compatibility frustration and confusion for years, the DUB ceramic bottom bracket gives riders an additional option for even more silky smooth performance. This is a whole other level in bottom bracket friction reduction, thanks to its high efficiency, ceramic bearings. What's more, the DUB ceramic bottom bracket can help riders save precious rotational