absoluteBLACK Oval Cinch DM Boost HG+ Chainring 30T Black

Works ONLY with Shimano 12 speed CN-M9100, 8100 & 7100 chains- Oval rings help the rider to spin smoother and more efficiently- Example: 32t is equivalent to 30t at dead spot and 34t at the power zone- Fits Race Face cranks with the Cinch system and provides 3mm offset for Boost spaced bikes- Narrow-wide tooth profile keeps the chain snug, allowing you to leave the chain guide behind- Designed in UK, manufactured in Poland