(Sorry if I missed this in the most recent, or a previous, discussion...)
In what year were the first Campagnolo brake calipers with recessed (Allen) nuts introduced?
Lee Berg Palo Alto, Calif.
Richard M Sachs wrote:
>
> to add to nick's post from this weekend re the various permutations
> of calipers...
>
> there were centerbolts that were unchamafered, thus could hit
> the headset. they became chamfered. the originals were unmarked.
> then said 'brev.' and then, later, said 'patent'. as we know, through
> the years, the bolt's lengths varied due to nutted versus allen-keyed
> fasteners.
<snip>