Model 30T, Offset 2.2mm or 32T, Offset 1.8mm or 34T, Offset 1.8mm or 36T, Offset 0.0mm or 38T, Offset -2mm or 40T, Offset -3.2mm or 42T, Offset -4mm Chainring shape Round Offset, mm 2 (30T), 1.8 (32T-34T), 0 (36T), -2 (38T), -3.2 (40T), -4 (42T) Made from 7075-T651 Aluminum Alloy Surface coating Anodizing Made with CNC milling Compatible cranksets Shimano XTR M9000 1X Weight, grams 37 (30T), 43 (32T), 50 (34T), 55 (36T), 61 (38T), 84 (40T) Chainline, mm 48.5 (30T), 48.7 (32T), 49.2 (34T), 50.3 (36T), 50.7 (38T), 52.2 (40T), 53.5 (42T) Chain compatibility Compatible with all 9,10,11-speed chains, 12-speed SRAM Eagle and T-Type, KMC, Shimano HG+ chains. Color Black or Blue or Gold or Green or Orange or Red or Silver or Violet
