Park Tool BBP-AOS Bottom Bracket Bearing Extractor Add-On Set is an essential tool for cyclists looking to maintain their bikes with precision. This add-on set is designed to work seamlessly with the BBP-1.2 Bottom Bracket Bearing Press Kit, making it easier to extract press fit bottom bracket bearings, cups, and adapters. Key Features Works with the BBP-1.2 Bottom Bracket Bearing Press Kit to remove press fit bottom bracket bearings, cups, and adapters. Features an expanding collet and extractor cup system for safe bearing removal without impact. Includes eight installation drifts for pressing bearings into pre-installed cups. Comes in a convenient storage case for easy organisation. Full list of compatible bearing inner and outer diameters available in the instructions/parts diagram. Note: Requires the BBP-1.2 Bottom Bracket Bearing Press Set for use. Made in the USA and backed by Park Tool's limited lifetime warranty. The Park Tool BBP-AOS Bottom Bracket Bearing Extractor Add-On Set is crafted to ensure that your bike's maintenance is both efficient and safe. With its innovative design, this set allows for precise bearing installation and removal, making it a valuable addition to any cyclist's toolkit.