shimano fc-3503 chainring 30t-d black

The Shimano fc-3503 Sora 9 speed triple chainrings are the perfect replacement for worn or damaged chainringsshimano'S class leading chainrings offer the optimum balance of light weight and rigidity for precise shifts even under high loadthe teeth have been developed to work only in conjunction with 9-speed hg chains for improved contact providing more efficiency and improved power transfergenuine Shimano replacement chainrings for the fc-3503 Sora triple cranksets available in 50t (outer ring), 39t (middle ring), 34t (inner ring)shimano part numbers: 50t-d - y1nc98030, matches 39t-d - y1nc98010 and 30t-d - y1nc30000compatible chain Shimano hg 9-speed