SRAMXX1 Eagle AXS Crank Arm Assembly Not all cranksets are made the same, some have lighter materials and are stiffer, which translates to more power transfer. The SRAMXX1 Eagle AXS DUB Crankset features carbon fiber crankarms that are lightweight and durable. Forward thinking and backwards compatible DUBBB/Crank technology is a workhorse without restraint. Designed for the most discerning pros and weekend warriors alike. If you're looking for the perfect crankset to fill your needs, then you'll love the SRAMXX1 Eagle AXSDUB Crankset. Features Carbon fiber crankarms reduce weight and increase power transfer SPECIFICATIONSSpeeds12BB Compatibility SRAM DUBChain Ring Not Included Crank Arm Length165, 170, 175mm BB Spindle Interface DUBChainring Material N/ABolt Center Diameter (BCD)Direct Mount SRAMCrank Arm Material Carbon Fiber Chainline-Bottom Bracket Included No Intended Use Road, Triathlon, Cyclocross Weight- | Sram | Quarq Xx1 Eagle Axs Crank Arms | Gray | 165Mm, Dub, 8 Bolt Direct Mount For Quarq