Genuine Shimano replacement part for the FC-R8100 crankset. This chainring is designed to provide reliable performance for your cycling needs. It is a component from the Shimano Ultegra R8100 series, known for its quality and durability. The chainring comes in a 36-tooth configuration, suitable for various cycling disciplines. Specific color details may vary, but the product is engineered for optimal power transfer and smooth shifting. Ensure compatibility with your existing drivetrain before purchase. Shimano Ultegra R8100 12sp Chainrings. Size: 36T. Color: Grey. Quantity: 1.