Park RT-1 Headset Cup Remover The Park Tool Head Cup Remover makes headset cup removal easy. The tool is pulled through the frame until the flared ends snap in behind the cup. A blow on the tool head removes the cup. Fits standard and oversize headsets. The RT-1 is made of strong, heat treated alloy steelthen given anickel finish to ensure that it can take a beating. Features Fits 1", 1-1/8" and 1-1/4" headsets Strong, heat treated alloy steel with nickel finish Also removes the Press Fit 30 (PF30) bottom bracket units. The Press Fit 30 inside diameter is the same as headset cups, and are pressed in the same manner. Related Articles: THREADED HEADSET SERVICEManufacturer Part No: RT-1UPC: 763477006004 | Park Tool | Rt-1 Headset Cup Remover Fits 1", 1-1/8", 1-1/4" Headset Cups