GU Energy Gel Flask Fe Sport Dial-adjust system allows desired torque

Dial-adjust system allows desired torque setting to be preset

CeramicSpeed delivers unmatched performance in key areas of your bike

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Type 1 foam: low profile

technology and games have advanced hand in hand throughout the 21st century

GU Energy Gel Flask Fe Sport Dial-adjust system allows desired torqueWe 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!