SRAM Chain Ring X-Sync 2 36 Tooth Direct Mount 3mm Boost 1x12 2022 Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button... SRAM Chain Ring X-Sync 2 36 Tooth Direct Mount 3mm Boost 1x12 2022 Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button...