Restrap Downtube BagThe Restrap Downtube Bag is designed to boost carrying capacity by utilising the otherwise dead space beneath the downtube. Particularly useful for smaller frames, or anyone who requires extra capacity. The Downtube Bag adds 1. 2L of fully waterproof stowage, attached simply via velcro; no need for specific bosses. The Downtube Bag has a fully waterproof construction, with a roll top closure to keep the elements, road spray or trail debris where they