Oil Seal SB 20x40/60x7mm -BGM PRO FKM/Viton (E10/etahnol Resistant)- Used For Crankshaft Flywheel Side Vespa Largeframe (-1976) Sprint, Super, TS, GT125, GTR125, VNA, VNB, VBA, VBB, Wideframe (additionally Crankshaft Drive Side) VM, VN, VL, GS150 / GS3