The Descendant 6K DUB crankset delivers consistent performance every time out. Now featuring SRAM’s DUB technology, this design simplifies the relationship of the spindle to the bottom bracket. Optimized 6000 series forged aluminum arms support the X-SYNC 2 chainring to provide complete chain control. Now everyone can benefit from a new measure of durability. FEATURES: SRAM DUB technology creates a lighter, stiffer and stronger crankset Optimized 6000 series forged aluminum arms 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 SPECS: Number of Chainrings: Chain Retaining Single Chainline/Hub Compatibility: 135/142 MTB Hubs Spindle Interface Type: SRAM DUB Chainring BCD: Direct Mount SRAM Crank Length (mm): 170 Crank Intended Use: Mountain Pedal Spindle: 9/16" Rings: 32 Drivetrain Speeds: 12 , 11 , 10 Weight: 705g BB Included: No