This versatile bag could hold a small pump, tools, spare tube, phone, wallet, and snack bar, and is designed to fit on tubes up to 70mm or so, including the main tubes on Bacchetta’s Carbon Aero. Made from waterproof materials and a waterproof zipper, the Fastback NorBack frame pack will keep your stuff dry in all but the very wettest conditions, and is built to last. Details: 14 inches (35mm) long, 5 inches (13cm) tall. There is one main pocket with a wide Velcro loop on the ceiling that is designed to hold a mini pump. There are two zipper pockets on the inside front. The top is reinforced with a removable stiffener to keep it in position on your bike. Compatible with nearly any bike or trike.