Experience the pinnacle of road cycling performance with the Shimano Ultegra FC-R8000 Hollowtech II Crankset. Engineered for efficiency and lightweight durability, this 50/34T crankset features a 165mm arm length and a 43.5mm chain line, ensuring optimal power transfer and precise shifting. Weighing approximately 674g, it's compatible with SM-BBR60 or SM-BBR60-PB bottom brackets, making it an ideal upgrade for serious cyclists seeking a competitive edge.