CANNONDALE BOOST MTB (3mm offset) Oval Narrow Wide Chainring 30-38T

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 (Closer to the frame) Chain compatibility Standard or 9/10/11/12 speed   Bicycle shop or dealer contact customer service               OVAL CHAINRING ADVANTAGES CANNONDALE boost gear plateis made by CNC milling of thewhole aluminum plate, and theback side adopts hollow millingand chamfering to reduce theweight of the gear plate under thepremise of ensuring the strength. Even at-the-wheel distribution of pedaling torque Our tooth height achieved 8.5 mm, Increased tooth height improves chain retention  Improved responsiveness and pedaling smoothness, narrower dead spots and increased span of your gluteus and hamstrings Easier uphill riding, especially on soft an