Campagnolo Catalog No. 18 on p. 45 says:
"819 R.H. crank for special triple chainring (complete with 756 cover) 170 mm long. On request cranks 165-167.5-172.5-175-177.5-180 mm long are supplied."
Same for the left: 752 L.H. road crank
Lee Berg Palo Alto
Mark Petry wrote:
>
> Check out ebay item 1145478254
>
> Campy triple cranks in 172.5. I thought that these were only available in
> 170 but maybe I was wrong? The catalog only shows 170 available in any year
> I can find. The right hand arm on the triple was a different forging from
> the double, not just drilled and tapped.
>
> Anybody know for sure?