Shimano Dura-Ace FC-R9100 Dura Ace 11 speed outer chainring 50T-MS for 50/34T

The Shimano Dura Ace FC-R9100 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-R9100 & FC-R9100-P cranksets available in 55T, 54T, 53T, 52T, and 50T (Outer ring), 42T, 39 T, 36 T, 34 T (Inner ring) Shimano part numbers: 55T-MX -Y1VP98050, matches 42T– MX -Y1VP42000, 54T-MX - Y1VP98040, matches 42T– MX -Y1VP42000, 53T-MW - Y1VP98030, matches 39T – MW- Y1VP39000, 52T-MT - Y1VP98020, matches 36T-MT - Y1VP36000, 50T-MS - Y1VP98010, matches 34T – MS - Y1VP34000 Compatible chain Shimano HG 11-speed