Model 40T or 42T or 44T or 46T or 48T or 50T or 52T or 54T Chainring shape Round Offset, mm 6.5 (40T-44T), 5.9 (46T), 5.3 (48T), 3.7 (50T), 1.9 (52T-54T) Made from 7075-T651 Aluminum Alloy Surface coating Anodizing Made with CNC milling Timing 108° after TDC (top dead center) Compatible cranksets SRAM Force 1, Force 22, Rival 1, Rival 22, S-952, S-902. Cane Creek eeWings All-Road Weight, grams 100 (40T), 109 (42T), 118 (44T), 125 (46T), 137 (48T), 144 (50T), 153 (52T), 165 (54T) 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