The SRAM RED AXS Crank Arm Assembly features hollow carbon Exogram crank arms for a lightweight, strong, and elegant crank. It can be paired with any SRAM AXS spider or integrated chainring, with or without power

8-bolt interface is compatible with power and non-power AXS spiders and integrated chainrings
Hollow Exogram carbon arms
Spider/chainrings sold separately
DUB spindle interface
Compatible with all SRAM Road DUB bottom brackets
Pedal Spindle: 9/16"
BB Included: No
Chainring BCD: Direct Mount SRAM
Crank Intended Use: Road , Tri , Cyclocross
Number of Chainrings: No Rings, No Spider Included
Spindle Interface Type: SRAM DUB
Color: Natural Carbon