Full Speed Ahead Comet MegaTooth Direct Mount Chainring - 28t, FSA Direct Mount, For 12-Speed Shimano Hyperglide+, BlackThese direct mount chainrings coincide perfectly with the Comet Modular Crank. The MegaTooth design allows you to put all of your power through without worrying about dropping your chain. Long tooth profile enhances chain retention Thick thin tooth design for maximum chain engagement Anodized black with laser etched logos Heat treated steel Product Specifics Color: Black Defined Color: Black Direct Mount Type: Direct Mount FSA Drivetrain Speeds: 12