Rapidracerproducts bike bearing kitthe rapidracerproducts bike bearing kit is perfect for the home mechanic who needs to extract and insert bike bearings. This kit ensures that you can accurately insert and remove frame bearings with ease, without causing any damage to the bearing or frame. Kit number bearing name inner bore mm outer diameter mmkit 1 688 2rs 8 16kit 2 698 2rs 8 19kit 3 608 2rs 608 e 2rs 8 22kit 4 6800 2rs 61800 2rs 10 19kit 5 6900 2rs 61900 2rs 10 22kit 6 6000 2rs 10 26kit 7 6901 2rs 61901 2rs 12 24kit 8 6001 2rs 12 28kit 9 63802 6802 2rs 61802 2rs 15 24kit 10 1526 2rs 15 26kit 11 6902 2rs 6902 e 2rs 61902 2 15 28kit 12 6002 2rs 15 32kit 13 6803 2rs 61803 2rs 17 26kit 14 6903 2rs e2rs 61903 e 2rs 17 30kit 15 6003 2rs 17 35kit 16 6804 2rs 61803 2rs 20 32bearing kits 1, 2 3 dont have male adaptors just female ones due to the small size of the bearing boreholebuy rapidracerproducts from chain reaction cycles, the world's largest online bike store.