The entry standard for Enduro bearings. Enduro’s ABEC 3 bearings offer improved quality and performance over ABEC 1 bearings fitted by many OE manufacturers. Only the finest cycling components come standard with Enduro’s ABEC 3 bearings. With hardened chromium steel races, balls, and tough riveted steel retainers, these bearings are durable and the perfect low cost performance upgrade.Key Features:Bearing Code: 1614,Dimensions: 3/8 x 1\"1/8 x 3/8\",ABEC: 3 ,Grade: 10,Seals: 2RS,Grease: Mobile HP 222,Application: Hubs, Bottom Brackets,Weight: 28.67g.