Model 42T or 44T or 46T or 48T or 50T or 52T or 54T or 56T or 58T or 60T Chainring shape Round Offset, mm 0 (42T-60T) Made from 7075-T651 Aluminum Alloy Surface coating Anodizing Made with CNC milling Compatible cranksets 130 BCD (5-bolt) Weight, grams 69 (42T), 80 (44T), 92 (46T) 105 (48T) 120 (50T) 132 (52T) 149 (54T) 164 (56T) 177 (58T) 190 (60T) 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