Linkage bearing kit for Oiz frames from ModelYear 2023 (OMX, OMR and Hydro).Includes the bearings for the linkage-frame and the linkage-seatstays pivot points. -2x Enduro 3801 Double MAX 12x21x8-2x Enduro 10177 2RS Double Row 10x17x6/7 Check the assembly indications in your bicycle´s Bluepaper technical manual.