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-   -   Is this bad? If so, what to do? (https://www.bikeforums.net/road-cycling/1172416-bad-if-so-what-do.html)

BigPoser 05-07-19 03:43 PM

Is this bad? If so, what to do?
 
This is a picture of the side of my Sector 28 tire. Both the front and rear have developed this "parting" on the sidewall. Tires don't have more that 700 miles on them. They are run tubeless and have never had more than 75 psi. They have been great, but I'm worried about them coming apart based on what I'm seeing.

Should I be worried? What should I do?

I bought them a little over a year ago from Excel Sports. Not sure if they could help out or not, but I just don't get the warm and fuzzy's when looking at them.

Thanks in advance.

Brandon

https://cimg9.ibsrv.net/gimg/bikefor...cd84dbb1a7.jpg

cthenn 05-07-19 03:51 PM

I've seen this before on tires I've used, not to this extent though. Could be the way the tire is manufactured. I don't want to be the one who tells you "sure it's safe, go ahead and bomb that 50mph descent, no problem!", but yes, I've seen something similar happen with my tires.

ThermionicScott 05-07-19 03:55 PM

That's just the chafer strip. It's an extra layer of fabric to protect the bead area.

DrIsotope 05-07-19 04:25 PM

I've had many, many, many tires do this. My current set has a split in the rubber right there. Continentals do it worse than any tire I've ever seen. I don't see a structural issue with those Sectors. Now if the split is on the "cap," where the tread meets the sidewall, then there might be a problem. Just remember, a gumwall tire is basically a tire without the extra rubber on the sides, and they do just fine.

noodle soup 05-07-19 05:04 PM


Originally Posted by DrIsotope (Post 20918963)
Just remember, a gumwall tire is basically a tire without the extra rubber on the sides, and they do just fine.

Gumwall tires and skinside tires arenít the same thing.

DrIsotope 05-07-19 05:15 PM

You're showing your age by pointing out a difference between gumwalls and skinwalls. No one uses the latter terms anymore. Gumwall is basically the catch-all for tires with "natural" sidewalls. All of which have less rubber on the sidewall to varying degrees.

Many Conti tires will gumwall themselves as the threads on the sidewalls all fray off, exposing the gumwall fabric underneath.

noodle soup 05-07-19 09:02 PM


Originally Posted by DrIsotope (Post 20919037)
You're showing your age by pointing out a difference between gumwalls and skinwalls. No one uses the latter terms anymore. Gumwall is basically the catch-all for tires with "natural" sidewalls. All of which have less rubber on the sidewall to varying degrees.

Many Conti tires will gumwall themselves as the threads on the sidewalls all fray off, exposing the gumwall fabric underneath.

You are showing your ignorance by not knowing the difference.

DrIsotope 05-07-19 09:04 PM

So you have nothing of value to offer in this thread, you're just here to split hairs and be annoying, correct? That seems right.

noodle soup 05-07-19 09:21 PM


Originally Posted by DrIsotope (Post 20919319)
So you have nothing of value to offer in this thread, you're just here to split hairs and be annoying, correct? That seems right.

There's a big difference between skinwall and gumwall tires.

Educate yourself.

DrIsotope 05-07-19 09:29 PM

It was your assumption that I don't know the difference. I was pointing out that for the purposes of this thread, it doesn't matter.

The thread n' rubber outer sidewalls on my Gator Hardshells fell off almost completely, and they still lasted over 6,000 miles.

BigPoser 05-09-19 09:54 AM

Thanks for the responses. It sure looks weird though, but I haven't had any performance loss of any kind. I'll see what happens.

bruce19 05-12-19 06:36 AM

I've always gone with the saying "Your life rides on your tires."


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