Shimano Dura-Ace 9100 Oval

Model 40T or 42T or 44T or 46T or 48T or 50T or 52T or 54T, Offset -1.5mm or 56T, Offset -2.3mm or 58T, Offset -2.3mm
Chainring shape Oval
Offset, mm 0 (40-52T), -1.5 (54T), -2.3 (56T), -2.3 (58T)
Made from 7075-T651 Aluminum Alloy
Surface coating Anodizing
Made with CNC milling
Ovality 12%
Timing 108° after TDC (top dead center)
Compatible cranksets Shimano Dura-Ace 9100
Weight, grams 117 (40T), 119 (42T), 124 (44T), 112 (46T), 120 (48T), 130 (50T), 159 (52T), 136 (54T), 146 (56T), 159 (58T)
Chain compatibility 10/11/12-speed chains : including Shimano HG+ and SRAM AXS flattop (incl. T-type) chains
Color Black or Blue or Gold or Green or Orange or Red or Silver or Violet