SRAM RED 1 AXS Crankset - 165mm, 12-Speed, 40t, 8-Bolt Direct Mount, DUB Spindle Interface, Natural Carbon, D1The SRAM RED 1 AXS crankset features exceptional 1x drivetrain design. It provides the simplicity and tighter gearing range that is well suited for road racing and riding in flatter terrain, where a wide range would go unused. The crankset is designed specifically for electronic shifting and can be upgraded to a power meter. Single ring drivetrain simplifies functionality and reduces weight SRAM X SYNC wide tooth, narrow tooth chainring technology