The set is compatible with a wide range of popular sealed bearing hubs on the market. It consists of two bearing press handle with threaded rod, over axle bearing adapters and dedicated spacers to cover the most common axle and bearing combinations. The set includes two adapters for each of the following bearings: for 10 mm axles 6000, 6900, for 12 mm axles 6001, 6801, 6901, for 15 mm axles 6802, 15267, 6902, 6002, for 17 mm axles 6803, 1728, 6003, for 18 mm axles 6903/18, for 20 mm axles 6804, 6904. Included spacers: spacer 20 × 45, spacer 17 × 45, spacer 15 × 45, spacer 10 × 40. Can be used as an extension of the Bearing Press Set 1721. Compatible with the Quick Slide Handle 1721.3 (not included in the set).