This bottom bracket allows most 30mm crank spindles to fit on a PF30 frame. It moved the bearings outside the frame to make things wider and stiffer. The wear is considerably less with this set up compared to a standard PF30 setup with spacers. Fits Rotor 30mm, RaceFace Cinch, Easton, 386EVO, BB30. Campagnolo About Torque. Cross seal for off-road use and also for the best protection on road bicycles.