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The new SRAM DUB bottom bracket series has a simple job-connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, we've engineered the DUB spindle to be the one true unifying component. One oversized spindle to work across every bottom bracket standard. For better crankarm compatibility. For better protection from the elements. For longer-lasting performance. To be stronger, smoother, simpler. Now, back to the ride.

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$38 - $43

Model ID


  • One oversized spindle to work across every bottom bracket standard
  • Gutter Seal Technology™ drastically improves sealing against the elements
  • Significantly lighter than GXP® system
  • Sealed cartridge bearings
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BB-frame interface English/BSA 73mm, English/BSA 68mm, English/BSA 100mm, English/BSA 83mm, English/BSA 83-A
Chainline n/a
Spindle length n/a
Support E-type FD n/a
Crank-BB interface DUB
Bearing type Standard
Spindle diameter DUB
Cup material Aluminum, Steel

DUB BSA Bottom Bracket