SRAM DUB BB30 Bottom Bracket - 68/73mm, MTB

SRAM DUB BB30 Bottom Bracket - 68/73mm, MTB

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The SRAM DUB bottom bracket connects crankarms to your frame and protects the drivetrain. With gutter seal technology, the bottom bracket's bearings are protected, lightweight, and long-lasting.

SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility.

This bottom bracket is a BB30 68/73, meaning it's compatible with both 68mm and 73mm bottom bracket sizes. 


  • Spindle Interface Type: SRAM DUB
  • BB Shell Width (mm): 68 , 73
  • Bottom Bracket Shell I.D.: 43
  • BB/Frame Interface: BB30{ background-color: #333333; }