Replacement "Top Hat" bearing cover pair for your Monocrome External Bottom Bracket.
These can also be used to fit 6805 bearings into Trek BB90 and BB95 internal bottom brackets.
This allows greater bearing choice.
Fits BSA external MCEBB001, MCEBB101 and MCEBB201.
Fits Screw-Fit 41mm also.
This version is tighter fit to remove any play or knock on worn crank spindles. It will be tight to install with new cranks.
Std version available here.