GU Energy Gel Flask bikebox 100% proprietary UltraCarbon™ material for

100% proprietary UltraCarbon™ material for a durable

Owner's Manual

Easy adjustment and maintenance

Vittoria decided to push the product beyond the MTB spectrum and to develop an innovative insert that could support tubeless-ready tyres for gravel applications

GU Energy Gel Flask bikebox 100% proprietary UltraCarbon™ material forWe teamed up with our neighbours at Hydrapak to design a customised soft flask with a high flow nozzle to make fueling for long efforts more convenient and less sticky. The Flask holds 5 Servings of Energy Gel and includes marks on the back to measure your fuel. Fill it with Energy Gel from our new 15 Serving pouches, fuel with it, and reuse it!