i have an ambrosio colnago 6 arms crank like the one on the cr site
http://www.classicrendezvous.com/Italy/Colnago/Colnago_6p_crk.htm
the existing inner ring, at 36t, is not suitable for flat south florida. does or did anyone make an inner ring that would fit this crank? i don't know what the bcd is. any help will be greatly appreciated.
ray dobbinsmiami, florida