quarq xx1 dub eagle sl crank incl dub axs power meter spiderDelivery in 5 10 business days (EU) Finance available at checkout with humm by flexifi. SRAM XX1 Eagle DUB SL Crank incl. Quarq DUB AXS Power Meter Spider The right crank arms for the Quarq XX1 Eagle DUB Powermeter System. Through the use of the Carbon Tuned manufacturing process, the wall thickness of the XX1 Eagle DUB crank could be chosen at all points, so that it has a very high rigidity and yet is an absolute lightweight. The DUB aluminum