Shimano M7100/M8100 Oval

Model 28T or 30T or 32T or 34T or 36T or 38T
Chainring shape Oval
Offset, mm 3.3 (28T-38T)
Made from 7075-T651 Aluminum Alloy
Surface coating Anodizing
Made with CNC milling
Ovality 12%
Timing 108° after TDC (top dead center)
Compatible cranksets Shimano M7100/7120/8100/8120 1X/2X
Weight, grams 54 (28T), 59 (30T), 65 (32T), 67 (34T), 75 (36T), 78 (38T)
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