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SRAM DUB BB30 Bottom Bracket - BB30, 73mm, MTB Boost 55mm Chainline, Black

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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 chainlines
Gutter Seal Technology™ drastically improves sealing against the elements
Sealed cartridge bearings
One oversized spindle to work across every bottom bracket standard