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Hydration

$80.00
The name STR tells you where it goes and what it does. STR stands for Seat Tube Right side entry. This side-loading design is a great match for our Mandible cage and was developed over a two-year period, including testing in MTB World Cup competition. STR fitment is like our proven Sideloader.
GU teamed up with their neighbors at Hydrapak to design a customized 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 GU's 15-Serving pouches, fuel with it, and reuse it!
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