Beschrijving
AB Premium Shimano 110/4 bcd oval chainrings are designed for new type of Shimano cranks like Shimano Dura-Ace 9000, Ultegra 6800, Shimano 105 5800, Tiagra 4700. Compatible with Di2 & Pioneer, SRM and other power meters. These are finest shift-able oval chainrings on the market.