Shimano Shimano Dura Ace FC-09 11 Speed Outer Chainring, 50T-NK For 50/34T

Information

• The Shimano Dura Ace FC-09 11 speed chainrings are the perfect replacement for worn or damaged chainrings
• HOLLOWGLIDE hollow outer chainring technology, giving vast improvements in rigidity and increased weight savings, whilst also removing outer chainring flex, hugely improving shift performance making it precise even under high load
• The teeth have been developed to work only in conjunction with 11-speed chains for improved contact providing more efficiency and improved power transfer
• Genuine Shimano replacement chainrings for the FC-09 service replacement chainset, available in 54T, 52T, 50T, (Outer ring), 40T, 36T, 34T (Inner ring)
• Shimano part numbers: 54T-NJ - Y0V298090, matches 40T-NJ - Y0MZ40000, 52T-NH - Y0V298080, matches 36T-NH - Y0MZ36000, 50T-NK - Y0V298070, matches 34T - Y0MZ34000
• Compatible chain Shimano HG 11-speed