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SRAM DUB BB30 Bottom Bracket, 42mm x 68/73mm

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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.

  • Gutter Seal Technology™ drastically improves sealing against the elements
  • Sealed cartridge bearings
  • One oversized spindle to work across every bottom bracket standard
  • Significantly lighter than GXP system