I thought "Slamming" referred to dropping the stem as low as it would go?
Loosening the binder bolt and giving it a light tap to loosen the wedge has been common practice for decades.
Nice looking Bertoni any other pics?
Is it a Specialissima? SL and Dura Ace
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“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk