Quick and easy way to keep food, money and keys in easy reach on your bike. The small, zippered bag sits on the front top tube, secured with strap attachments. Reflective details give improved visibility in low light conditions.Deuter's Energy Bag is the easiest way to carry your energy bars, money, phone or keys on your bike. The small, zippered bag sits within arms reach on the front top tube, secured with Velcro attachments allowing you to stay fueled up on energy bars while still riding. Reflective details guarantee improved visibility in low light conditions.