Shimano Dura Ace Track Sprockets New In! Maret 26, 2018 • duraace • shimano • sprocket Dura ace sprockets now restocked! Sizes 13T - 16T now available. A post shared by FISHTAIL CYCLERY (@fishtailcyc) on Mar 26, 2018 at 3:08am PDT ← Older Post Newer Post → Leave a comment Name Email Message