SRAM DUB Wide PressFit Ceramic Bottom Bracket PressFit 86.5mm Road Wide BLK MFPN=OVAL RFC28 BST Its designed to work better Its designed to work better than traditional pin spanners 15° outward bend What’s more the DUB ceramic bottom bracket can help riders save precious rotational energy without sacrificing the kind of robust seals required for real MTB and road racing scenariosHigh efficiency ceramic bearings save riders rotational energy 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