View All SRAM Products Description Fully CNC machined aluminum constructionTooth profile alternates thickness by inner and outer links for maximum chain controlMust be used with SRAM 11-speed chain for 1 x 11 Specs Model Year: 2018 Bike Type: MTB International Availability: United States _sport: Biking _Primary Category: Bike/Components/Chainrings Country Of Manufacture: China Reviews Write a review