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Old 2017-03-23, 01:22 PM   #16
MuniOrBust
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I wonder how much the dampening would adversely affect hopping.
I think I'd prefer a version with flubber in it.
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Old 2017-03-23, 05:23 PM   #17
johnfoss
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One gets the impression that these systems would also make it a lot harder to get pinch flats? Or is that already mostly solved by going tubeless? I have no experience with tubeless.
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Old 2017-03-23, 05:53 PM   #18
Eric aus Chemnitz
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One gets the impression that these systems would also make it a lot harder to get pinch flats? Or is that already mostly solved by going tubeless? I have no experience with tubeless.
There is a nice diagram at 1:47
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Old 2017-03-23, 10:51 PM   #19
Vital Wombat
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I've seen a few write-ups question the accuracy of that table, mainly that procore does help with pinch-flats and stability.

There are also quite a few more brands available, tire inserts are not a new concept.

The best comment I've read: "It's just expensive hay".
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Old 2017-03-24, 12:04 AM   #20
Unitardis
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The best comment I've read: "It's just expensive hay".
Time will tell. Diffusion of Innovation theory describes a spectrum of adoption from early to mid to late adopters. It has to do with stable personality traits, particularly Openness to Experience (the early adopters) vs. Need for Cognitive Closure (the late adopters). Remember how much resistance there was to 29ers in MTB? And the rabid core of early adopters to 29ers? Neither was completely justified. They were expressing their stable dispositions, yet 29ers are here to stay. I imagine we'll all be using tire inserts of some sort in time. Along the way there will be some crappy products introduced and some really useful ones. The cream will come to the top in time. But I could be wrong. No sense in settling the outcome before its time. Patience grasshopper.
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Old 2017-03-24, 07:01 AM   #21
kunstrasen
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Originally Posted by johnfoss View Post
One gets the impression that these systems would also make it a lot harder to get pinch flats? Or is that already mostly solved by going tubeless? I have no experience with tubeless.
You can´t have a pinch flat with tubeless as there is not tube to be pinched. What you can have is a rapid loss of air. If you run very low pressure with tubeless and you have a (side) impact, the tire can be removed from the rimwall and air gets out. Commonly called burping. And you could still damage your rim on hard impacts.
Both things will not happen with a highly inflated (4 -6 bar) inner tire. That has been tested by several bike magazine tests.

With a foam inside: No idea. Their marketing of course says it works. Is there some testing done by someone outside cushcore?
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Old 2017-03-24, 01:58 PM   #22
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Commonly called burping. And you could still damage your rim on hard impacts.
Both things will not happen with a highly inflated (4 -6 bar) inner tire. That has been tested by several bike magazine tests.

With a foam inside: No idea. Their marketing of course says it works. Is there some testing done by someone outside cushcore?
Cushcore would seem to do the same (at least) as Procore if the air pressure in the tire is compressing the foam insert against the rim, bead, and bottom sidewalls. If air pressure gets between the foam insert and the rim then all bets are off. I suppose it would require that the foam be sealed against the sidewalls to prevent air from burping into the space under the insert (between the insert and the rim).

I agree that independent verification would be nice. But I would be happy enough if the downhill mtb crowd embraced it. There will also be early adopters on this forum who will have plenty of anecdotes to go by. Unicycling does not appeal to the late adopter peeps.
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