Top Tube Mount Aerodynamic Fuel Box – 0.65L Enhance your cycling performance with this aerodynamic top tube fuel box, designed to reduce wind drag and prevent interference with your legs. It mounts seamlessly on triathlon, time trial, and road bikes using built-in top tube bosses or secure, scratch-free straps. The spacious opening allows quick access to energy bars, gels, and other nutrition essentials during your ride. Compatible with frame diameters from ø33 to ø72 mm, it features three mounting positions for optimal fit. Its sleek design minimizes wind resistance and leg contact, while the flexible TPR shell ensures easy cable routing and convenient access to your energy supplies.