The Shimano SM-CRM95 XTR 1x chainring offers superior chain engagement for optimal chain retention. The gear tooth profile is specifically designed for MTB riding usage.Compatible only with Hyperglide+ chainsFeatures Shimano's Dynamic Chain Engagement+ gear tooth technology, which is designed to maintain chain retention for smoother pedaling over bumpy terrainFor use with Shimano M9100 and M9120 cranks