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Marathon Plus tires per tube

Old 07-25-19, 07:35 PM
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Marathon Plus tires per tube

Marathon plus have been pretty amazing in AZ, soaking up goatheads and glass and trail thorns. The problem is... I've been wearing through multiple tires per tube due to the flat resistance.

Just had a seam fail on a year+ old tube. It turns out the two backup tubes I was carrying of roughly the same age had failed due to entropy. Maybe hot/cold cycles or getting jostled in the pannier pockets. Marathon+ flat resistance combined with complacency led to a walk. Had I been using mediocre tires, at least one of the spares would have likely been fine.

Check your spare tubes today if you're on good tires.
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Old 07-25-19, 09:41 PM
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Yeah, check your patch kits too. In AZ, the glue, even in sealed tubes, tends to just disappear.

I started protecting my spare tubes in an old sock to protect them from abrasion in the pack. I don't think the heat is good for the tubes either. One of my spares was folded on a patch and the patch had cracked and failed.

I just saw this phenomenon last year in AZ. I didn't think of putting out a PSA.
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Old 07-25-19, 09:48 PM
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In my experience, one year old tubes have never been a problem. Heck, much older tubes havent been a problem---however, as you say, no matter the age of a tube, being rubbed against stuff ends in a bad way, and I have had that happen---so yes, take care of your spare tubes, and try not to have them abrading against stuff.

(you have however made me think to check my spare tubes, as its been a while since Ive used them--so good point.
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