The Smart Energy Caddy XL is an innovative top tube bag featuring a touch screen compatible smart phone holder and an additional 0.5 Litre storage compartment. The phone holder is watertight with extra reinforcement for additional smart phone protection. It features removable straps exposing its integrated rivets, which makes it compatible with top tube mounting holes (compatible bike only, bolts not included). Constructed from durable materials and an EVA foam foundation and an easy access zipper, the Smart Energy Caddy XL is a perfect organizer for adventure cyclists, gravel racers and more. Key Features: Top tube mounted.,0.5 Litre capacity.,Watertight phone holder.,Top tube mounting holes.,EVA foam construction.,Perfect for adventure and gravel cyclists., .