Compatible with all 9,10,11-speed chains, 12-speed SRAM Eagle, KMC, Shimano HG+ chains GARBARUK CHAINRING FEATURES - Special tooth shape guarantees a tighter contact with chain and softer pedaling (in comparison with regular chainrings) - Chamfered edges and wide mud gap keeps the ring from getting muddy - Increased tooth height improves chain retention while the bike is shivering and jolting - Overall bicycle weight reduction in the range of 150-400 grams (with no front derailleur and chainguide) - Manufactured using highly durable aluminum alloy - Variable teeth thickness prevents chain dropping GARBARUK DIRECT MOUNT CHAINRING ADVANTAGES - You get a wide range of chainring sizes to choose from, starting from 26T - You can reach an optimal drivetrain chainline value with variable chainline technology (VCLT) - You save bike weight by not using crankset spider and you can opt for the chainring with an appropriate specs for your drivetrain SPECIFICATIONS - Made from: 7075-T651 Aluminum Alloy - Surface coating: anodizing - Made with CNC milling - Chainring shape: Round - Compatible cranksets: SRAM X9, X1, NX, GX, X0, X01, XX1, X01 Eagle, XX1 Eagle. Cane Creek eeWings Mountain - Weight, grams: 54 - Chainline, mm: 51.4 - Offset, mm: 3.6 - Chain compatibility: all 9,10,11-speed chains, 12-speed SRAM Eagle, KMC, Shimano HG+ chains.