Specialized OSBB (61mm) - Wide Format (XL) 30mm Spindle meta-related-collection-DUB-Road-Related-Products high-luster of our Type-II MilSpec

high-luster of our Type-II MilSpec hard anodized finish to the sculpted lines of our One-Piece Design (OPD) bearing module that unitizes the road bike bottom bracket structure to eliminate all potential creaks before they start

the Ultra-lite Italian DUB bottom bracket for road bikes delivers smooth

This BBInfinite T47E module for Praxis™ M30® Road Crank Sets is 100% compatible with all crank-based power meters

Rock solid chain control means crisper shifts while Ceramitech bearings channel all your hard work to the ground

Specialized OSBB (61mm) - Wide Format (XL) 30mm Spindle meta-related-collection-DUB-Road-Related-Products high-luster of our Type-II MilSpecATTENTION: If you have a 2015 and newer Specialized this is likely NOT what you need. Please read below for clarification before ordering this part. Info Installation Instructions Video Specifications Spacers If you're looking for a bottom bracket that will never creak, and spins like mad, you've come to the right place. OSBB is Specialized's version of the ever popular Road PressFit30 Standard, except that it is much narrower. The BBInfinite