LINKAGE BEARING KIT REVOLVE PSYCHIC LOWER SHOCK BEARING KIT YAMAHA YZ125 250 125X 250XRevolve Swing Arm Bearing & Linkage Kits contain everything required to properly rebuild the swing arm and linkage of your dirt bike, motorcycle or ATV. Kits are sold as either swing arm or linkage and our linkage kits will include the lower shock bearing. Linkage Bearing Kit Revolve INCLUDES Lower Shock Bearing Kit Alternate PWLK Y31 000