A single chainring with a wide-range cassette is a wonderfully clean way to tackle so many disciplines, and SRAM is a 1x leader. The Apex 1 Wide crankset features aluminum crankarms, a light and stiff DUB spindle, and elegant and secure direct-mount X-SYNC aluminum chainrings for flawless chain management. The wide chainline accommodates wider tires for any type of adventure.Single-ring drivetrain simplifies functionality and reduces weightWide chainline crankset to fit the biggest gravel tiresLonger DUB crank spindle accommodates both Road and MTB width frame bottom bracket standards for unmatched cross-compatibility across brandsCompatible with 135mm, 142mm and Boost rear spacingSRAM X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain controlDUB bottom bracket (Sold separately) adds durability and simplicityItem SpecificationsBB IncludedNoChainline/Hub Compatibility135/142 MTB HubsChainline/Hub Compatibility135/142 Road Disc Hubs < 415 mm ChainstayChainline/Hub Compatibility141/148 Boost HubsColorBlackCrank Intended UseGravelCrank Intended UseMountainCrank Length (mm)170Defined ColorBlackDrivetrain Speeds12Number of ChainringsChain Retaining SinglePedal Spindle9/16"Rings40Spindle Interface TypeSRAM DUB SRAM Apex 1 Wide Crankset Crankset UPC: 710845887314