The SRAM Crank Arm Assembly (D2 DUB Quarq Gloss) is designed to integrate seamlessly with Quarq DZero DUB and DFour DUB power meter spiders, providing a robust power meter solution for challenging conditions. Constructed with sleek carbon fiber arms, this assembly ensures durability and performance, while the variety of lengths from 165 to 177.5mm allows for a customized fit for every rider. Please note that it requires a SRAM DUB bottom bracket to complete the setup.