Perfect for the top tube, the molded Xlab rocket pocket bag is small. The Xlab rocket pocket is 3.1 inches tall but just what's needed for plenty of nutrition and your keys. It offers insulated sides, keeping your nutrition cooler. Using the Xlab rocket pocket, drag is actually minimized caused by stem and headset spacers. The Xlab rocket pocket has a tapered aero design, with slim slides for clean airflow.
Actually reduces drag caused by stem and headset spacers
Non slip surfaces underneath and on front of bag grip top tube and back of stem