trade you my "fast" 7:1 vespa transmission for a 43mm V1 topend?

Monti S /
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make your single speed vespa faster with this 7:1 setup (fits all these rims or mags: 19" ciao or 17" ciao or 16" bravo or 16" grande or 16" si).... or swap the input shaft for a variated mod shaft and make your variated vespa crazy faster (even faster than the expensive race gears)

I need a kit sized V1 topend, preferably a 41mm or 43mm (but not the fan delete style)... maybe a good 47mm even (id add cash)

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