SRAM DUB Bottom Bracket Spacer KitThe SRAM DUB bottom bracket spacer kit allows you to install a DUB bottom bracket into multiple frame shells. This kit ensures the proper fit and installation of the bottom bracket. DUB bottom brackets provide improved bearing longevity and moisture sealing properties when paired with SRAM DUB cranks. SRAM created DUB to offer an over-sized spindle crankset that works with all bottom bracket standards. FeaturesCompatible with: BSA, Pressfit, Pressfit 30, BB30 frame shellsContains: 2mm, 3mm, 4.5mm, 6mm spacers, 2 standard BB spacersSRAM part number: SRM00ED