Bicycle Tool Specialists Cyclus Tools are developed for the professional workshop. Manufactured in Europe using high grade materials and regular quality control they are of the highest standard. With a wide range of specialist tools, Cyclus provides solutions to the unique needs of bicycle repair and maintenance. . Impact tool to remove 1 1/8" headset cups . Extractor diameter 25mm . Safe and easy cup extraction . Product Number 720186 . Genuine Cyclus Tool