Vespa 15mm wire piston circlip

Wire type piston circlip of a style often used in conversion kits or some replacement pistons of the 1960's.

15mm wrist pin size as used in  125cc / 150cc PX / Sprint / VBB etc 

Disco Dez Sez

" make sure your piston requires this type before fitting and running your engine - a stray piston circlip can cause catastrophic engine failure!! "