The Lezyne Aero Energy Caddy is a sleek, aero top-tube mounted bike bag ideal for triathletes, touring and gravel racers. It s constructed from durable woven Nylon and is equipped with three simple Velcro straps to fit a variety of bicycles. A zippered opening provides easy access to its 0.7 Litre storage, in addition to quick access side pockets. Two rivets in the base of the bag allow it to be bolted to bikes equipped with threaded top tube mounting holes (bolts not included) and the straps are removable. It s fully water resistant and its clean look complements today s modern bicycles.Top tube mountedIdeal for triathletes, gravel racers, tourersDurable Woven Nylon constructionThree removable Velcro straps0.7 Litre storage capacityWater resistant