Force just got faster. The lighter and stiffer Force 1 carbon crank is paired with SRAM's Aero 1x chainring offers improved aerodynamics, while the X-Sync wide/narrow-tooth technology provides maximum chain control. Put the power into your pedal stroke while chasing segments and racing TTs with greater ease and confidence.Single-ring drivetrain simplifies functionality and reduces weightDirect mount aero chainrings for better aerodynamicsCarbon crank arms and aluminum 50t X-Sync aero chainring results in a lighter weight, stiffer, more durable cranksetDUB bottom bracket adds durability and simplicity (Bottom bracket sold separately)45mm ChainlineItem SpecificationsBB IncludedNoChainline/Hub Compatibility135/142 Road Disc Hubs < 415 mm ChainstayChainline/Hub Compatibility135/142 Road Disc Hubs > 415 mm ChainstayChainring BCDDirect Mount SRAM 8-BoltColorCarbon-glossCrank Intended UseRoadCrank Length (mm)160Defined ColorCarbonDrivetrain Speeds12Drivetrain Speeds13Number of ChainringsChain Retaining SinglePedal Spindle9/16"Rings50Spindle Interface TypeSRAM DUB SRAM Force 1 Crankset with Aero Chainring Crankset UPC: 710845915918