SRAM Chain Ring X-Sync 50 Tooth 110 BCD Alloy Black BB30/GXP 1x11 2022 Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button... SRAM Chain Ring X-Sync 50 Tooth 110 BCD Alloy Black BB30/GXP 1x11 2022 Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button...