Form and function. The design of the Force crankarm is a wonder of carbon; light and stiff to effortlessly propel you forward. The 8-bolt interface will fit any SRAM AXS spider or integrated chainring, with or without power. The light, stiff, and durable DUB spindle interface also fits nearly any frame.8-bolt interface compatible with power and non-power AXS spiders and integrated chainrings (Chainring and spider sold separately)DUB bottom bracket adds durability and simplicity (Bottom bracket sold separately)Carbon fiber crankarms are incredibly strong and lightweightItem SpecificationsBB IncludedNoChainline/Hub Compatibility135/142 Road Disc Hubs < 415 mm ChainstayChainline/Hub Compatibility135/142 Road Disc Hubs > 415 mm ChainstayChainring BCDDirect Mount SRAM 8-BoltColorCarbonCrank Intended UseRoadCrank Length (mm)160Defined ColorCarbonDrivetrain Speeds12Drivetrain Speeds13Number of ChainringsNo Rings, No Spider IncludedPedal Spindle9/16"Spindle Interface TypeSRAM DUB SRAM Force Crank Arm Assembly E1 Crankset UPC: 710845916311