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Step 14New two-tank mixer and switcher valve
The recent addition of the U.S. Plastics valve makes possible one-handed switching between the two tanks. The previous method of disconnecting one quick-disconnect and connecting the other required two hands and was too tricky for me to do while riding. Also, the valve allows mixing of the two tanks! Sometimes I run one tank with water and one with sports drink and switch back and forth.
The second photo is a detail of the valve showing how I've stretched a piece of old inner tube over the bottom half of it. The valve tended to chatter on the top tube during fast bumpy descents, but the inner tube section solves this problem, and I just happened to have an old inner tube on hand.
Unfortunately, the valve costs more ($44) than the rest of the system combined ($29)! If someone knows of a cheaper source for a 3-way stopcock, I would be pleased to learn of it.
The second photo is a detail of the valve showing how I've stretched a piece of old inner tube over the bottom half of it. The valve tended to chatter on the top tube during fast bumpy descents, but the inner tube section solves this problem, and I just happened to have an old inner tube on hand.
Unfortunately, the valve costs more ($44) than the rest of the system combined ($29)! If someone knows of a cheaper source for a 3-way stopcock, I would be pleased to learn of it.
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