Beautifully Made from Composite and Alloy, is a Shimano Dura Ace 12-Speed FC-R9200 110MM BCD 50T-NK Road Super Glide-X chainring, no chainring bolts. Mates with a 34T-NK ring. New In Box. Works with 12-speed chains and a Shimano four-hole double crank. Made in Japan quality from 2023. 115 grams/4.0oz. CR5440.
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