The SRAM RED 1 AXS crankset features exceptional 1x drivetrain design.
5mm, 12-Speed, 40t, 8-Bolt Direct Mount, DUB Spindle Interface, Natural Carbon, D1 Number of Chainrings: Single Chainline/Hub Compatibility: 130 Hubs , 135/142 Road Disc Hubs < 415 mm Chainstay Spindle Interface Type: SRAM DUB Chainring BCD: Direct Mount SRAM keyword search: XPLR Color: Natural Carbon Crank Intended Use: Road , Tri , Cyclocross Crank Length (mm): 167.0mm chainline SRAM RED 1 AXS Crankset - 172.5 Pedal Spindle: 9/16" Rings: 40 Drivetrain Speeds: 12 Defined Color: Black BB Included: No SRAM RED 1 AXS Crankset - 165mm, 12-Speed, 48t, Direct Mount, DUB Spindle Interface, Natural Carbon, D1 Number of Chainrings: Chain Retaining Single Color: Natural Carbon Crank Length (mm): 165 Pedal Spindle: 9/16" Crank Intended Use: Road , Tri , Cyclocross Chainline/Hub Compatibility: 130 Hubs , 135/142 Road Disc Hubs < 415 mm Chainstay Rings: 48 Spindle Interface Type: SRAM DUB Drivetrain Speeds: 12 Defined Color: Carbon Chainring BCD: Direct Mount SRAM BB Included: No 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.