Camel bag water indicator [ 140375 ]
By doing many mountain bike by hot weather (where I live), to carry a camel bag (or equivalent) is very common.During a trip, I was always frustrated to never know what is my quantity of water remain in the bag. I spent long to to think about this during these trips. I imagined to put a sensor inside the water bag, or some water debit sensor but nothing satisfy me.
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