FSA Compact 36 Chainring Black 2016 S910 chainrings are compatible with Shimano 9 speed and Campagnolo C10 10-Speed N-11 chainrings are compatible with all 10 speed drivetrains, and compatible with FSA, SRAM and Shimano 11 speed drivetrains Precision CNC machined AL7075/T6 alloy N-10 chainrings are compatible with Shimano, SRAM and Campagnolo Ultra Narrow 10-Speed drive trains Compatible with all 10 speed drivetrains, compatible with SRAM and Shimano 11 speed drivetrains