BB30 (68mm) DirectFit ShimanoInfo Installation Instructions Video Specifications JUST THE FACTS: The BBInfinite Shimano BB30 (68mm) DirectFit Bottom Bracket module works with all Shimano HollowTech road cranksets on the market, from Tiagra to Dura Ace. Our Shimano BB30 bottom bracket ships with the special press tools and retaining compounds you'll need. All you need is the press for this Shimano Press Fit bottom bracket. If you require something in a slightly larger size, check