#61
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Nicely done response! I would try RH tires without hesitation. How many of the bashers have built a business and advanced a new and innovative product? |
#62
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No hesitation? Idk the prospect of having my front tire blow off going 40 miles per hour definitely gives me pause. I like a lot of what Jan and RH are doing, but I don’t think we should minimize the danger of a tire failure like some people here are describing.
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#63
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#64
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I've used :
Barlow pass Bon Jon pass Juniper ridge Stielacoom Extralight casing and normal casings.. all setup tubeless with no huge issues. Maybe a dot of sealant on the sidewall at most. The have been great for the most part. If my tires leaked like the ones pictured..I'd probably not buy them again to be honest. My threshold for tubeless is low... I won't faff too long with them.. bye-bye Enve tires. |
#65
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You don’t hear about it happening with Panaracer very often...
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#66
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At any rate I expect nothing from anyone and what I’m going to do is take off the many layers of thin dt Swiss rim tape and retape the rim with gorilla tape until it’s tight, then hope the tire doesn’t blow off the rim when my SO is bombing down a chunky hill as she likes to do. Thanks I guess? Last thing you say they are as fast or faster than any other tire in the industry, I don’t remember seeing Rene herse tires on a rolling resistance test and I’d be curious how they stack up to something like my thunder burts if any data exists. Care to link to any comparisons? |
#67
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? |
#68
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Dont Panaracer make the compass/RH tires?
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#69
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__________________
It don't mean a thing, if it ain't got that certain je ne sais quoi. --Peter Schickele |
#70
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They manufacture the tires to the customers specifications/dimensions so they will not be dimensionally the same.
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#71
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Has any other tire company made a similar declaration to what Jan made?
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#72
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All I can say that for our recent Bicycle Quarterly tire tests, I got to mount 35 sets (70 tires) on various rims - many Rene Herse tires, but also WTB, Schwalbe, FMB and others that we tested as well. The same tires fit tight on Enve rims and really loose on WTB OEM rims. Going back to the Enves, the tire were tight again, so it wasn't that the tires stretch – the rims are different in their diameters.
At the ASTM meetings –*last year in Denver, now only virtual – all the engineers from the big bike companies meet to discuss upcoming standards. Rene Herse is one of the smallest companies there, but we participate because we care about this stuff. It's also an opportunity to talk to the rim guys – Enve, Zipp, Stan's and many others are there – and arrange for mutual testing of our products. Among these guys, there's a lot of talk about rim/tire fit. I'd say it's 60% of what people talk about in the sessions. (Another big issue in Europe especially is shimmy on ebikes...) Everybody is grappling with the issues: With tubes, you have a lot of leeway with respect to tire fit; tubeless requires much tighter tolerances. Most companies prefer not to talk about it in public, but we're riders ourselves, and we don't want anybody get injured... There's a lot of speculation in this thread about specs – all I can say is that we have access to all the technology that our suppliers use, and we change things only to improve them. And since our supplier's own tires fit well on rims, we actually use the same spec as they do. Where our specs are different is mostly with respect to the casings, tread pattern and tread rubber. The fit isn't something we fiddle with. We meet regularly to discuss our findings –*our testing complements their own – and look at changes if they're needed. The rim/tire fit hasn't changed in a while now, because we all feel that we've got the best possible compromise. Again, I can't pretend to know everything about every rim that's out there. We've tested quite a few, and found significant variability. That's why we say that if you need huge blasts of air from a compressor to seat the tire, the fit is too loose. (Using a compressor to make seating the tire easier is no problem, it's just that you shouldn't use the compressor to compensate for a loose fit.) If you've found other tires that you really like, that's fine. We're not saying we make the only tires worth riding. We're just making the tires we want to ride ourselves, and we also make them for others who enjoy similar performance. Jan Heine Rene Herse Cycles Quote:
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#73
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There's been some other 3rd party testing, check the links, within the links, below. It goes about as well as the BRR testing. There's no free lunch, no matter how supple the tires are. Bicycle Quarterly has stopped publishing tests overall and never pushed any tests of their knobbies, per Jan in a Google Group thread from last year - the explanation is awesome: https://groups.google.com/g/internet...m/jlT0N4eKBwAJ The whole thread is worth a read, as is this one: https://groups.google.com/g/internet...m/wBx9FRCfAQAJ I got kicked out of iBOB for being a knob in the second thread so keep that in mind Last edited by spoonrobot; 12-01-2020 at 07:39 PM. |
#74
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Testing supple tires isn't easy - after all, the supple tire revolution started when we stopped testing on steel rollers. So if you go back to steel rollers, you'll find exactly what we used to believe: narrow tires roll faster and higher pressures roll faster.
TOUR magazine in Germany did a test with their ingenious pendulum device, and it showed the Rene Herse tires as one of the five fastest they've ever tested. You can see that test here: https://www.renehersecycles.com/one-...-in-the-world/ That test didn't include a rider, so it neglected the part of the equation where a supple tire shines: Reducing the vibrations that slow rider and bike by absorbing energy through friction between body tissues. We're very aware that it's not ideal if we test our own tires and tell you that they're faster.*With our recent tire tests, we published a detailed discussion of our methodology in the hopes that others will start testing tires in realistic settings –*on real (flat) roads, not (convex) rollers that dig into the tire, and with a rider on board to capture the suspension losses. Sticking to steel drums isn't going to tell us much – except that we should go back to the 1990s when we all rode 20 mm tires pumped to 120 psi... because they tested fastest on the steel drum tests that we all believed back then. I think we've gone beyond that by now. The usual retort at this point used to be: "If, as you say, 25 mm tires at 85 psi are faster, why do all the pros still ride 23s at 120 psi?" But it's already been quite a few years that the pros have switched to wider tires and lower pressures – because they can test with power meters themselves and don't believe the steel drum tests any longer. Jan Heine Rene Herse Cycles |
#75
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snake oil, too good to be true |
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