The mrp bling ring direct mount chainring for sram x series cranks the bling ring is mrps latest addition to their drivetrain line up mrp brings you the revolutionary bling ring these sweet little chainrings mount directly to sram cranks that feature a removable spider they save substantial weight compared to the standard chainring and spider combo mrp bling rings are 100 made in the usa it is designed to fit sramtruvativ xo x9 and aka cranksets it replaces the standard removable spid