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Sram

DUB BSA Bottom Bracket 68/73mm

DUB BSA Bottom Bracket 68/73mm

Regular price $60.00 CAD
Regular price $60.00 CAD Sale price $60.00 CAD
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Description |

SRAM DUB BSA Bottom Bracket is designed to provide a simple, durable interface between SRAM DUB cranksets and traditional threaded BSA frames. Using a 28.99 mm DUB spindle diameter, it allows a single crank spindle standard to work across multiple frame standards while maintaining bearing durability and proper sealing.

This bottom bracket threads directly into standard English threaded frames and uses sealed cartridge bearings to ensure smooth rotation and long service life in road, gravel, and mountain bike applications.

Features |

  • Bottom bracket for SRAM DUB cranksets
  • Compatible with English threaded BSA frames
  • Supports DUB cranksets with 55 mm chainline
  • Sealed cartridge bearings for durability
  • Designed to balance stiffness, bearing life, and compatibility
  • Simple threaded installation and service

Specs |

Model DUB BSA
Brand SRAM
Standard BB DUB BSA A1
Shell Compatibility 68 mm and 73 mm
Thread Specification 1.37" x 24 TPI
Spindle Diameter 28.99 mm DUB
Chainline 55 mm
Bearing Type Sealed cartridge bearings
Cup Material Aluminum
Bearing Material Steel
Crank Compatibility SRAM DUB cranksets
Frame Compatibility Threaded BSA frames
Use Gravel, mountain, and wide chainline applications
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