Model 40T or 42T or 44T or 46T or 48T or 50T or 52T or 54T Offset, mm 8.3 (40T), 6.5 (42T-50T), 4.5 (52T-54T) Made from 7075-T651 Aluminum Alloy Surface coating Anodizing Made with CNC milling Compatible cranksets SRAM Red/Force AXS Weight, grams 105 (40T), 113 (42T), 122 (44T), 131 (46T), 141 (48T), 151 (50T), 161 (52T),170 (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