I (thankfully) have only needed this once so far. It worked fine and filled my tire after a flat and got me back on the road. I like that it is so compact and able to fit in my compact seat bag. weight is practically non-existent. One drawback is that it is either full on or full off, no in between which makes it hard to regulate the pressure in smaller tires like my 700 X 23. I found that it over inflated almost instantly to the point that I feared rupturing my new tube. Freezing didn't seem to effect the operation of the filler valve but it did make it uncomfortable to handle. All-In-All, use caution and common sense and it will get you out of a jam and back on the road.
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WARNING: This product can expose you to chemicals including bisphenol A (BPA), which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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