64 BCD Oval

Model 26T or 28T or 30T
Chainring shape Oval
Offset, mm 0 (26T), 1.8 (28T), 0 (30T)
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 64 BCD
Weight, grams 31 (26T), 39 (28T), 45 (30T)
Chainline, mm 45.5 (26T), 46.5 (28T), 47.6 (30T)
Chain compatibility Standard
Color Black or Blue or Gold or Green or Orange or Red or Silver or Violet