The svelte strength of carbon fiber with the swagger of heavy metal. The Descendant Carbon DUB crankset uses a proprietary TruVativ carbon construction process, delivering a crankset light enough for XC, yet durable enough for Enduro. 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. Features: SRAM DUB technology creates a lighter, stiffer and stronger crankset Carbon construction for lightweight durability Included direct mount X-SYNC 2 chainring provides significantly quieter performance, with better mud clearing and durability Chainring is designed specifically for Eagle chains and drivetrains DUB compatible bottom bracket sold separately Fully compatible with any 1x drivetrain Boost Compatible Specs: BB IncludedNo Chainring BCDDirect Mount SRAM ColorBlack Defined ColorBlack Crank Intended UseMountain Number of ChainringsSingle Rings32 Spindle Interface TypeSRAM DUB Chainline/Hub Compatibility141/148 Boost Hubs