The Seat assembly is constructed from several parts from which the Single Seat Assy is the most expensive.
Parts such as the Seat: Single Seat Assy, Nut, Nylon, Cover, Seat, Washer, Plate (8h5) are included in the Br250tc 1999 Seat parts fiche.
The Nut, Nylon is the most widely applied product in the BR250TC 1999 SEAT ( two times ).