Full Speed Ahead Gradient Direct Mount N11 Chainring - 30t FSA Direct Mount Compatible Shimano 11-Speed SRAM 11/12-Speed BLKFull Speed Ahead Gradient Direct Mount N11 Chainring 30t FSA Direct Mount Compatible with Shimano 11 Speed and SRAM 11 12 Speed Black. The Full Speed Ahead Gradient 1x chainring is crafted using premium 7075 aluminum that is 100% CNC machined. This lightweight yet stiff chainring incorporates FSA Megatooth technologya narrow wide anti drop design that ensures the chain stays securely in place. Specifically designed for use with SRAM 11 12 speed and