Apidura Racing Top Tube PackThe Racing Top Tube Pack is designed for ultra distance cycling competition and the needs of time conscious riders. With an innovative magnetic quick access flip top opening, this waterproof top tube bag is ideal for storing battery packs, mobile phones and race essentials. This waterproof top tube bag, constructed from an ultralight laminate developed for Apidura, fastens securely to the top tube and works alongside a wide range of frame bags. The