OSBB spacers. Set of 2 rings 46mm inner diameter x 3mm
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)
* This is an add-on product. Bottom bracket not included. Set includes 2 rings of 46IDx3mm.