Specialized OSBB (73mm) - Wide Format (XL) 30mm Mountain Bike (MTB) Spindle

  Info Installation Instructions Video Specifications Spacers  The BBInfinite Specialized OSBB Mountain Bike (MTB) Bottom Bracket works with all Wide Format 30mm spindle MTB cranksets on the market, such as the BB392Evo crankset, RaceFace NextR Cinch SL, and SRAM wide format MTB cranks, just to name a few. Our specialized OSBB bottom brackets ship with the special press tools and retaining compounds you'll need. All you need is the press for this mountain bike bottom bracket. ABOUT OUR BEARING CHOICES: Ceramitech Bearings: Our Si3n4 hybrid ceramic bearings feature ultra-spherical silicon nitride balls matched to SAE 52100 chrome steel bearing races that have been processed with additional heat treatment and polishing steps. The result is a hybrid-ceramic bearing that lasts longer than any steel bearing with spin performance no steel bearing can rival. We’re so confident in the durability of our Ceramitech bearings that we back them with a Lifetime Bearing Exchange warranty. Thes