Two machined aluminum cups thread together keeping the bottom bracket stable in the frame increasing bearing life and simplifying maintenance. This means no more creaking smoother operation longer bearing life and really quick bearing replacement. Specifically designed for installing 24.00mm spindle diameter cranks Shimano Etc. in BB30 42mm ID BB shell frames without the need for any adapters. Bearings Enduro ABEC-3 Color Black Bottom Bracket Frame Interface BB30 Specialized Alloy OSBB Bottom Bracket Shell Width 68mm 73mm Bottom Bracket Shell I.D. 42mm Over Bearing Width 90.5mm in 68mm wide shell Crank Spindle Diameter 24.00mm Tool Pattern 44mm 16-notch Weight 130g Note FSA MegaExo spindles can be between 24.00mm and 24.07mm in diameter. If your FSA spindle is 24.07mm this BB will not work You will need to swap the bearings with our FSA 24.07×37 ceramic hybrid bearings.
- Machined anodized black aluminum cups.
- Enduro ABEC-3 bearings.
- Dual silicone seal keeps the contamination out for longer life.
- Will accept current 24mm Shimano FSA Etc.