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Posted

Sounds a bit like the Tubliss system for dirt bikes.

It is almost identical to the Nue Tech Tubliss system without the rim-lock.

http://nuetech.com/wp-content/themes/tubliss/assets/img/product/tubliss/how-it-works/dual-air-chambers.jpg

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Posted

Sorry, as a roadie trying to understand this. At what stage does the extra drag of the low pressure tyre counteract the extra grip?

 

I have a MTB that I play around on with 1.4bar tubeless and have never caught myself wishing for extra grip, maybe extra skill but not grip.

 

Will people actually ride around with tyres at .6 etc?

Posted

I might be missing the points of this. I've been riding tubeless for about 10 years now, if not mistaken. I can probably count on my two hands the amount of punctures I've had during that time, that the sealant couldn't sort out. I use non-UST tyres as well, that have less protection and still only so many flats. I think out of those 10 flats max, only about 3-4 wouldn't seal and required a tube. And as a semi-weight weenie, 200g per wheel isn't for me.

Posted

Sorry, as a roadie trying to understand this. At what stage does the extra drag of the low pressure tyre counteract the extra grip?

 

I have a MTB that I play around on with 1.4bar tubeless and have never caught myself wishing for extra grip, maybe extra skill but not grip.

 

Will people actually ride around with tyres at .6 etc?

I think it is for people running low pressures and really pushing corners hard (so more aimed at the DH & enduro crowd, I think). The Procore system eliminates (or reduces) the chances of the tyre burping or running off the rim.

Posted (edited)

Sorry, as a roadie trying to understand this. At what stage does the extra drag of the low pressure tyre counteract the extra grip?

 

I have a MTB that I play around on with 1.4bar tubeless and have never caught myself wishing for extra grip, maybe extra skill but not grip.

 

Will people actually ride around with tyres at .6 etc?

 

what super-mil said. I dont think 0.6 was intended to convey the sentiment that that's a ridable pressure. they are just saying that your tyre shouldnt blow off even at that low pressure. Under hard cornering, a low pressure tyre can rip right off the rim, UST or not. Worse still, sometimes under low pressures, you can hit the rim and literally explode the wheel. Procore gives you the margin to go flat, but roll home bike and body intact.

 

$(New Rim + hospital visit) >>>> $(Procore)

Edited by Capricorn
Posted (edited)

It sounds like most people commenting here are kind of missing the point of Procore...

 

It's primarily designed to enable you to do two things at the same time:

 

  • Run low pressure for extra grip (Pure Savage, as a roadie you probably haven't been doing the kind of riding where there the "is there ever enough grip?" question arises).
  • Not pinch flat or burp constantly because of the previous point.

 

That's it, simple as that.

Edited by Martin Hattingh
Posted

At race like Sani2C you can use this, average speeds are pretty high so when you hit a rock or something you definitely bottom out, even at 1.8 / 2 bar. I would like to run 1.4 bar at races and not bottom out on rocks. I would ride 1 bar if I could.

Posted

It sounds like most people commenting here are kind of missing the point of Procore...

 

It's primarily designed to enable you to do two things at the same time:

 

  • Run low pressure for extra grip (Pure Savage, as a roadie you probably haven't been doing the kind of riding where there the "is there ever enough grip?" question arises).
  • Not pinch flat or burp constantly because of the previous point.

 

That's it, simple as that.

Cool, that makes sense. Just trying to understand the need. :D

 

I'll have you know I have been to the garden route trail park! :P (Didn't stay on the bike much that day though!)

  • 2 months later...
Posted

So nearly three months after this article appeared it seems the initial enthuisiasm has faded.  I haven't noticed a massive uptake in the market.  In fact I haven't heard of or met anyone riding this system.

 

Might the few embarrassing blow outs on the WC DHI circuit have something to do with it?

Posted

So nearly three months after this article appeared it seems the initial enthuisiasm has faded.  I haven't noticed a massive uptake in the market.  In fact I haven't heard of or met anyone riding this system.

 

Might the few embarrassing blow outs on the WC DHI circuit have something to do with it?

 

been wonder that myself. How many confirmed cases at world cup level so far? There were a couple of Schwalbe sponsored riders who suffered blow outs, and the internet incorrectly assumed they were riding with procore. Turned out not, so maybe the world cup reference needs to be filtered somewhat. But yes, its vrek late to any party since launch.

Posted

been wonder that myself. How many confirmed cases at world cup level so far? There were a couple of Schwalbe sponsored riders who suffered blow outs, and the internet incorrectly assumed they were riding with procore. Turned out not, so maybe the world cup reference needs to be filtered somewhat. But yes, its vrek late to any party since launch.

yeah, from what I saw it was primarily rim failures and people running Schwalbe rim tape, not the pro-core. Given that they're both blue, the confusion was bound to happen... 

 

I think I can only remember one instance when there was a failure on a bike running pro core, and that was due to a rim failing. Not a blowout... 

Posted

yeah, from what I saw it was primarily rim failures and people running Schwalbe rim tape, not the pro-core. Given that they're both blue, the confusion was bound to happen... 

 

I think I can only remember one instance when there was a failure on a bike running pro core, and that was due to a rim failing. Not a blowout... 

 

but its still a bit fishy. This launch is so soft is reminds me more of a graphics card launch than anything else. Any softer and it might as well be vapourware

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