CANNONDALE BOOST MTB Oval (3mm offset) Narrow Wide Chainring

Model 30T or 32T or 34T or 36T or 38T Colour Black or Silver Made from 7075-T651 Aluminum Alloy Surface coating Anodizing Made with CNC milling Chainring shape Oval Compatible cranksets cannondale SI SL SISL Weight, grams  53 (30T), 60 (32T), 65 (34T), 68 (36T)，73 (38T), Offset, mm 3mm Chain compatibility Standard or 9/10/11/12 speed   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