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This brilliant component features a rock-solid alloy construction with stainless steel teeth which gives it a dynamic balance of strength and durability. This makes it more than able of handling all the abuse of blasting over tree-roots, rock gardens and debris while tightly gripping your chain over rowdy trail sections.
Dynamic Chain Engagement: SHIMANO’s DYNAMIC CHAIN ENGAGEMENT+ is a special gear teeth profile designed for use in single-chainring configurations for XC, enduro, and trail riding. It gives more chain retention and smoother pedaling - even over bumpy terrain. Chain retention of any gear will reduce abrasion and worn out.