High-end narrow/wide chainrings designed for 1 x 9/10/11/12-speed transmissions that use a direct-mount SRAM X-Sync crankset with a 148mm Boost chain line
3 mm offset optimized for a 148 mm Boost chain line.
Available in round or oval configurations
Ovality: 12%-13%, timing of 115° after PMH (top breakeven)
Anodized color finish with laser-etched graphics
