For frame builders who want to use the EBB standard. Because they can adjust the chain's tension, EBBs allow for a myriad of setups on any given bike frame. Note: the EBBdoes not come with a way to secure the Eccentric BB in the shell, a retention mechanism must be added by the builder.

Technical Details

  • Aluminum EBB (54mm OD)
  • CroMoly shell (60.5mm OD)
  • English threads
  • 68mm wide