Check the listing for details. FSA Gradient 30T CNC Machined 7075 Aluminum Direct Mount Chainring for Sram. Color: Black, Condition: New. Listed at 94.00 USD. 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 technology—a narrow/wide, anti-drop design that ensures the chain stays securely in place.Specifically designed for use with SRAM 11/12-speed and 11-speed drivetrains. 100% CNC machined premium 7075 aluminum for stiffness and light weight. FSA Megatooth technology—a narrow/wide, anti-drop design that ensures the chain stays securely in place. Item Specifications: Tooth Count, 30, Drivetrain Speeds, 11, Drivetrain Speeds, 12, Round or Oval, Round, Material, Aluminum, Color, Black, Power Meter, No, Defined Color, Black, Direct Mount Type, Direct Mount FSA,.