Model 38T or 40T or 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 (38T-60T) Made from 7075-T651 Aluminum Alloy Surface coating Anodizing Made with CNC milling Compatible cranksets 110 BCD (5-bolt) Weight, grams 62 (38T), 72 (40T), 85 (42T), 94 (44T), 110 (46T) 123 (48T) 140 (50T) 151 (52T) 168 (54T) 178 (56T) 190 (58T) 202 (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