The SRAM carbon GX Eagle crankset delivers consistent performance every time. Featuring SRAM's X-SYNC 2 tooth profile chainring, the Carbon GX crankset is engineered for complete chain control. The thickness of each tooth is precisely tolerated and controlled to work seamlessly with the chain's inner and outer links. DUB technology features a better-engineered bottom bracket and a new spindle design. Together, these allow for a more uniform approach to bottom bracket fitment, better sealing against contamination and forward and backward compatibility.