sram-dub-pressfit30-bottom-bracket-pf30-73mm-mtb-boost-55mm-chainline-black
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sram-dub-pressfit30-bottom-bracket-pf30-73mm-mtb-boost-55mm-chainline-black, The SRAM DUB bottom bracket series has a simple job- to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility.Designed for use with SRAM Boost cranksets with 55mm chainlinesGutter Seal Technology drastically improves sealing against the elementsSealed cartridge bearingsOne oversized spindle to work across every bottom bracket standardItem SpecificationsBB Shell Width (mm)73BB/Frame InterfacePF30Bottom Bracket Shell I.D.46Defined ColorBlackSpindle Interface TypeSRAM DUB SRAM DUB Boost 55mm Chainline Non-Threaded Bottom Bracket Bottom Brackets UPC: 710845857942