SRAM RED 1 AXS Crankset - 172.5mm 12-Speed 40t 107 BCD DUB Spindle Interface Natural Carbon D1. The 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 provides maximum chain control