Originally Posted by ed209

What's might a neat followup poll- for those that use tire-liners/armored tires- how long do your tubes go before the glue fails around the valve stem?

I've been able to go ~1 year tops on a set of tubes (riding 5 days a week, any weather but ice/slush). My recent flats happened when the valve stem literally pulled away from the rest of the tube. I'm now on an annual 'replace the tubes in spring' plan, flat or not.