Shimano SLX SM-CRM70 Single Chainring The Shimano SLX SM-CRM70 Chainring is a lightweight and durable 11 speed-compatible ring featuring Shimano's Dynamic Chain Engagement technology. The composition of the chainring is designed for the specific power output delivered in each size ring. This greatly enhances chain retention, efficiently and improves shifting performance. Tackle every trail with Shimano SLX M7000! Features 1x Specific Chainring with Dynamic Chain Engagement Technology for excellentchain retention and low noise Solid pedaling efficiently without powerloss New 3D composite chain ring's teeth composition is optimized for each chainwheel load SPECIFICATIONS Speeds 11 Teeth 30t / 32t / 34t BCD 96mm Material Aluminum Intended Use XC, Trail, All-Mountain Weight 110g (32t) | Shimano | Slx M7000 Sm-Crm70 1X Chainring 30 Tooth, 96Mm Bcd, For Fc-M7000-1