The SRAM Force AXS Crank Arm Assembly features carbon crank arms that are ready to pair with any SRAM AXS spider or integrated chainring, with or without power. FEATURES: 8-bolt interface is compatible with power and non-power AXS spiders and integrated chainrings Not compatible with SRAM's 3-bolt direct mount interface Carbon fiber arms with natural carbon finish Spider and chainrings sold separately SPECS: Number of Chainrings: No Rings, No Spider Included Color: Gloss Carbon Pedal Spindle: 9/16" Crank Intended Use: Road Crank Length (mm): 175 Rings: Sold Separately Spindle Interface Type: SRAM DUB Chainring BCD: Direct Mount SRAM BB Included: No