Shimano Shimano Dura Ace FC-R9200 12 Speed Inner Chainring, 40T-NJ For 54/40T

Information

• The Shimano Dura Ace FC-R9200 12 speed chainrings are the perfect replacement for worn or damaged chainrings
• Shimano's class leading chainrings offer the optimum balance of light weight and rigidity for precise shifts even under high load
• The teeth have been developed to work only in conjunction with 12-speed chains for improved contact providing more efficiency and improved power transfer
• Genuine Shimano replacement chainrings for the FC-R9200 & FC-R9200-P cranksets available in 54T, 52T, 50T (Outer ring), 40T, 36T, 34T (Inner ring)
• Shimano part numbers: 54T-NJ - Y0MZ98030, matches 40T-NJ - Y0MZ40000, 52T-NH - Y0MZ98020, matches 36T-NH - Y0MZ36000, 50T-NK - Y0MZ98010, matches 34T - Y0MZ34000, 46T-NH - Y0MZ98110, matches 36T-NH - Y0MZ36000
• Compatible chain: HG 12-speed