New, Rare and Beautifully Made From Alloy, is a Shimano Dura Ace FC-7703 92mm/130mm BCD D-39T Road Super Glide middle chainring for the Dura Ace triple. Works with 9-speed chains and the 7703 triple cranks. Mates with a D-53T ring. Made in Japan quality from 2001. 73 grams/2.5oz. CR5734.
eBay