![Easton BB30/OSBB Alloy Spacer Kit - Press Fit 68/42mm - 30mm Spindle Easton BB30/OSBB Alloy Spacer Kit - Press Fit 68/42mm - 30mm Spindle](https://cdn11.bigcommerce.com/s-tpvx4esvgk/images/stencil/500x500/products/156606/408963/35216__93683.1706689174.jpg?c=1)
Use these rings on any PF30 bottom bracket to make a correct spacing for Specialized OSBB carbon shells.
(OSBB is a standard for Specialized carbon road bikes, used between 2012 and 2015. Frame dimensions 46mm inner diameter x 62mm wide)
(OSBB is a standard for Specialized carbon road bikes, used between 2012 and 2015. Frame dimensions 46mm inner diameter x 62mm wide)