Originally Posted by
Litespud
No reason why you shouldn’t be able to use your 52 on the double crankset, as long as (1) they’re both standard 5 arm conformation, as opposed to the Campag “hidden 5th arm” design, and (2) they’re both the same bolt circle diameter (BCD) - Campag Standard BCD is 135mm. I’ve used aftermarket (TA) 50 and 51 big rings on my Campag double for years
Thankyou!! That is great news. Very happy!