Condition:100% Brand New Material: Stainless Steel & Aluminum Compatible with Z50J1, Z50JZ, Z50R 79-99, XR/CRF50 and XR/CRF70 models Manufacturer Part Number: 52108-081-000 You are buying 2 which is a full set to suit 1 bike. These bushes have a rubber sleeve that over time wears and becomes loose, making your bike wobble at speed. Swing Arm Bushings Bushes Set [ Technology ] 100% Brand New AFTERMARKET PARTS [Manufacturer Part Number] 52108-081-000 [Material] Stainless Steel & Aluminum [Package Includes] 1 Pair X Swing Arm Bushings