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  1. The first image appears to be showing a bulge. A bulge indicates cord damage which cannot be repaired and so does require replacement. If there is no bulge you can keep using it.

  2. No_Objective3217 on

    depends on what you’re doing. Toodling around? keep riding

    long high speed descents? change em out

    for my regular rides, id keep riding these

  3. Best to replace. When I was a poor student and/or suffered tire damage while touring in countries where bike shops were few and far between, I would boot damaged or suspect tire casings with either sections of old sew up tires or heavy fabric like canvas using high strength contact adhesive. But that approach is rather indefensible if you value your life, when in doubt get a new tire. They don’t need to match, but I like to place the one with less road traction or more war at the rear figuring it’s easier to recover from a rear tire slide than a front tire slide.

  4. notslackingatworkno on

    On a rear tire I’d at least do a boot patch on the bigger puncture, and would definitely plan on getting new tires in the near future but it wouldn’t be an emergency situation to me.

  5. Of course you should replace them. If it’s a question in your mind, then you already know the answer.

    As a piece of advice, in any vehicle, you don’t play around with the maintenance of the direct interface between you and the road.

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