Shimano FC-R8100 Ultegra 12s Outer Chainring, 50T-NK for 50/34T

Shimano's FC-R8100 Ultegra outer chainring delivers smooth, reliable shifting across 12 speeds. The 50T ring pairs with a 34T inner ring to create a versatile 50/34T compact crankset—ideal for mixed terrain and climbing. Precision-machined for durability and optimized for Ultegra's seamless performance. Direct replacement for compatible Ultegra cranksets.