The tool end is struck with a hammer or mallet and the flared ends evenly distribute force around the cup as the cup is driven out. Removes 1, 1⅛ and 1¼ headset cups Motorcycle Headset Park Tool CRP-2 Adjustable Crown Race Puller Headset Tool Bike Bicycle Bike Mechanic Tool Strong, heat treated alloy steel construction with nickel finish. The Park Tool Head Cup Remover makes headset cup removal easy. Also removes some press fit bottom bracket cups including SRAM DUB, Campagnolo Power Torque, and Campagnolo Ultra Torque Park Tool: Your Guide to the World of Bottom Brackets The Park Tool Headset cup removal tool makes quick work of removing headset cups and various pressfit bottom brackets. Features: 4-pronged flared end... RT-1 Park Tool Headset Cup Remover Bicycle Headset Cup Removal Tool, Bicycle Head Parts Remover Press In Hollow Bottom Bracket Removal Tool For BB86 PF30 BB92 Bicycle Crankset Park Tool Rt 1 Cup Nominal OD of shaft is 1 (25., 4mm) Just like our other 500+ tools, our bottom bracket tools are a product of our decades of experience and expertise in the industry, in the shop and on the trail., Steel Park Tool Head Cup Remover TRUSTED SINCE 1963 Since our origins in the back of a bike shop in 1963, it has been Park Tool's sole mission to design and manufacture high-quality tools that empower mechanics and riders of all skill levels to service their bicycles. The Park Tool RT-1 Headset and Bottom Bracket Cup Remover makes bicycle headset and bottom bracket cup removal easy. For the removal of press-fit bottom brackets, we offer the following tools: