Pedros Headset and Bearing Press. The Headset and Bearing Press is a professional quality tool designed to precisely and accurately install headsets as well as most press-fit bottom brackets. Features include removable 33cm ergonomic handles a precision roller thrust bearing for smooth low-effort pressing a quick release lower press module for fast tool positioning and removal and an extensive working range from 60mm to 320mm for ultimate versatility. Two sets of adaptors are included with the press. Two Stepped Cup Bushings are sized to fit most 1 and 1? standard headset cups and nest into press plates ensuring precise alignment. Two 22mm ID shim adaptors ensure precision alignment of any brand-specific cup bushings designed with 22mm inside diameter.