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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.

  • For Super Boost + cranks
  • Designed for use with SRAM SuperBoost+ Cranksets
  • Gutter Seal Technology drastically improves sealing against the elements
  • Sealed cartridge bearings
  • One oversized spindle to work across every bottom bracket standard