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SRAM DUB 68-73mm BSA External Threaded Bottom Bracket

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SRAM DUB bottom brackets are where stiffness meets durability. SRAM has made it incredibly simple by integrating the relationship between chainring, crank, spindle and bottom bracket and provide a single replacement for 30mm and 24mm BB spindles options. 

SRAM has created a simple bottom bracket solution that provides better drivetrain performance, increased durability and stiffness without introducing a new frame shell standard to the industry. 

DUB bottom brackets will only work with DUB cranks that use a 28.99mm spindle.


  • One oversized spindle that will work across every bottom bracket standard.
  • Lighter than Pressfit GXP system.
  • Easier installation.
  • Sealed cartridges.


  • Material: Aluminium, Steel
  • Weight: 76g (BSA).
  • Compatibility: SRAM DUB BSA bottom brackets are compatible with frame shells with English threads.
  • Colour: Black
  • Size: 68mm / 73mm / 73mm Guide
  • Requires 12 Notch 46mm External Bottom Bracket Tool for installation (see link below)
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BB Axle Size
28.99mm DUB
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Ships from our Melbourne, Australia Warehouse



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SRAM DUB 68-73mm BSA External Threaded Bottom Bracket710845813726PRNT
28.99mm DUB710845813726

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