##Enduro ABEC 3 2437 Bearing (Single) 24x37x7 Looking to upgrade and make your bike smoother than ever before? If so you need the Enduro ABEC 3 2437 Bearing (Single) 24x37x7. A bearing that significantly improves the durability and performance of your bike. Designed for reliability, yet at a more than affordable price. Made from hardened chromium steel races, balls and strong riveted steel retainers. This is ideal to use in hubs and bottom brackets and weighing a shade over 30 grams makes for a lightweight addition to any bike.