The Shimano Ultegra FC-R8000 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 HG chains for improved contact providing more efficiency and improved power transfer
• Genuine Shimano replacement chainrings for the FC-R8000 cranksets available in 53T, 52T, 50T, 46T (Outer ring), 39T, 36T, 34T (Inner ring)
• Shimano part numbers: 53T-MW - Y1W898040, matches 39T-MW - Y1W839000, 52T-MT - Y1W898030, matches 36T-MT - Y1W836000, 50T-MS - Y1W898020, matches 34T -MS - Y1W834000, 46T-MT - Y1W898010, matches 36T-MT - Y1W836000
• Compatible chain Shimano HG 11-speed