PressFit30 (73mm) - DirectFit Shimano Mountain Bike

  Info Installation Instructions Video Specifications JUST THE FACTS: The BBInfinite Shimano PF30 Standard DirectFit MTB Bottom Bracket works with all Shimano HollowTech mountain bike cranksets on the market, from Deore to XTR. All of our modules ship with the special press tools and retaining compounds you'll need. All you need is the press. Customers with ANY 73mm wide SPECIALIZED CARBON FIBER mountain bike with a PressFit bottom bracket should purchase this Shimano 73mm bottom bracket. If you have an alloy Specialized mountain bike you are on the right page. 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 o