9.3 average score from 31 reviews

BottomThread BSA DUB

Model number: BBO-38
  • Universal BSA DUB bottom bracket
  • Co-molded bearing shields
  • Chrome steel 2940RV bearings
  • Wave washers included
  • Fully CNC machined external cups
More information

BottomThread BSA DUB Bottom Bracket

There is no better feeling than a smooth rolling bike. A bottom bracket is one of the most important parts to keep your bike smooth and silent. The BottomThread BSA DUB is a high-end bottom bracket. Durable, high-end materials are used to keep your bike rolling forever!


  • Bracket Shell type BSA - English Threaded
  • Bracket spindle diameter (mm) 29
  • Bearings material CrMo
  • Bracket Shell width (mm) 68, 73mm
  • Part materials 6061 T6 Aluminum, 7075 T6 Aluminium


  • Weight (g) 98