WickWerks 46/38t 130 BCD Cyclocross Chainrings for Sram 22 Cranks Race and performance proven shift technology will shift better and faster no matter the conditions 'True Hard' wear resistant anodize to protect the life of your chainrings and your drivetrain Aggressive BRIDGE Technology will change what you expect from a shift 9, 10, and 11 speed compatible Weight: 138g