O-ring 21x16x2.7mm -BGM ORIGINAL, 1st Oversize- Used For Kickstart Shaft Vespa V50, PV125, ET3, PK, PX, T5 125cc, Cosa, Rally, Sprint, TS, GT, GTR, Super, GS160/GS4, SS180, GL150, VNA, VNB, VBA, VBB, Clutch Operating Lever GS160/GS4, SS180