The XX1 Eagle Fat Bike DUB crankset has been re-examined and re-engineered. Featuring SRAM's DUB technology, this design simplifies the relationship of the spindle to the bottom bracket. DUB-powered cranksets mean simplicity, compatibility and durability.SRAM DUB technology creates a lighter, stiffer and stronger cranksetCarbon-tuned lay-up crank design provides extreme stiffness and light weightIncluded direct mount X-SYNC 2 chainring provides significantly quieter performance, with better mud clearing and durabilityChainring is designed specifically for Eagle chains and drivetrainsDUB compatible bottom bracket sold separatelyFat bike frame compatibleItem SpecificationsBB IncludedNoChainline/Hub Compatibility190/197 HubsChainring BCDDirect Mount SRAMColorBlackCrank Intended UseMountainCrank Length (mm)170Defined ColorBlackDrivetrain Speeds10Drivetrain Speeds11Drivetrain Speeds12Number of ChainringsChain Retaining SinglePedal Spindle9/16"Rings30Spindle Interface TypeSRAM DUB SRAM XX1 Eagle Fat Bike DUB Crankset Crankset UPC: 710845815744 MPN: 00.6118.526.011