Shimano | Xt M8000 Sm-Crm81 Chainring 30T, For Fc-M8000-1 | Aluminum

Shimano SM-CRM81 Chainring Shimano's SM-CRM81 chainring features a new tooth profile with Dynamic Chain Engagement. Their new 1x proprietary chain retention technology prevents skips and drops, and lengthens a chain's lifetime. The combination of wide steel teethe with special hooked teeth improve chain retention and lifespan by up to 150%, even on rough terrain. Features 11 Speed XT Chainring Stainless teeth for extremely long life 96mm BCD Built for Shimano FC-M8000 Crank | Shimano | Xt M8000 Sm-Crm81 Chainring 30T, For Fc-M8000-1 | Aluminum