Shimano Ultegra FC-R8000 Chainring – 50T

Shimano FC-R8000 Chainring – 50T The Shimano FC-R8000 Chainring utilises a 50T profile to act as a genuine spare outer ring for 50-34T Ultegra Chainsets. Featuring a four-arm design and a 110 BCD; this is a stiff and durable option; while the aluminium construction ensures low overall weight.