Shimano Ultegra FC-R8100 12 Speed 50T Double Bike Outer Chainring

• The Shimano Ultegra FC-R8100 12 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 12-speed chains for improved contact providing more efficiency and improved power transfer
• Compatible chain Shimano HG 12-speed Product Type: Chainring
• Speed: 12 Speed
• Discipline: Road, Time Trial and Triathlon
• Colour: Black
• Bolt Circle Diameter: 110 mm
• Chainring Fitting: 4 Arms

Genuine Shimano replacement chainrings for the FC-R8100 and FC-R8100-P cranksets available in:

• 52T, 50T, 46T (Outer ring)
• 36T, 34T (Inner ring)

Shimano part numbers:

• 52T-NH - Y0NG98020, matches 36T-NH - Y0NG36000
• 50T-NK - Y0NG98010, matches 34T - Y0NG34000
• 46T-NH - Y0MZ98110, matches 36T-NH - Y0NG36000