Shimano 6800 Ultegra 11-Speed Crankset, 172.5mm/52-36T Go to amazon.com Related posts The 11 best cranksets shimano for 2022 FeatureNew front derailleur chain guide design to reduce chain dropsHollow glide chain rings 11 speed compatibleMade in Japan DescriptionBorrowing 9000 Dura-Ace technologies, the Ultegra 6800 crankset now has Optimum Power Transfer 4-arm design.