130 BCD (5-bolt) Oval Narrow Wide Chainring

Model 42T or 44T or 46T or 48T or 50T or 52T Color Black Made from 7075-T651 Aluminum Alloy Surface coating Anodizing Timing 108° after TDC (top dead center) Chainring shape Oval Made with CNC milling Compatible cranksets 130 BCD (5-bolt ) Weight, grams 65（42T), 73(44T) ,80 (46T), 86 (48T), 95 (50T), 103 (52T) Chain compatibility Standard 9/10/11/12 speed is available, sram axs cannot    Support paying an extra $10 to customize the same silver color  Bicycle shop or dealer contact customer service                                  OVAL CHAINRING ADVANTAGES Even at-the-wheel distribution of pedaling torque Improved responsiveness and pedaling smoothness, narrower dead spots and increased span of your gluteus and hamstrings Easier uphill riding, especially on soft and slippery terrains Increased pedaling efficiency