Shock Bearing Kit - Rear. Pivot Works began operations in 1999 as the first company in the world to manufacture and market complete bearing and seal kits to the power sports market. The original supplier of chassis and suspension rebuild components for dirt bike and ATVs. Pivot Works Shock Bearing Kit includes everything needed to rebuild both ends of your motorcycle shock absorber in one package. All of these kits are passed through the Pivot Works demanding quality control and are trusted by racers and casual riders alike to deliver reliable performance to your motorcycle parts. The Pivot Works Shock Bearing Kit includes: Two Teflon® spherical bearings (cup bearings when needed), four seals, and additional components if necessary. Pivot works also goes through great lengths to make their shock bearing kits are durable, while easy to install.