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Originally Posted by Leisesturm
(Post 20790421)
You were extremely unlucky. A tire boot is not a patch. It is only to keep the innertube from compromising further a tire with a large hole or tear. It isn't meant to be puncture proof. But I don't know of anyone that has experienced a puncture at the exact same spot a boot happened to be. Multiple times? Dude, you need to get right with whatever higher authority your belief system acknowledges to be in charge of your journey through life ...
I once tore a tire so bad, a Conti tire where the sidewall got torn about an inch which blew the tube of course, I had to stuff the tire with weeds, I actually made it home that way! |
Originally Posted by greatscott
(Post 20790704)
Have you ever seen a Park Tire boot? That patch I'm guessing is roughly a mm thick, and it's a waterproof vinyl membrane with fiber weave reinforcement (taken right from the Park site). This patch you can't tear with your hands, though you can cut it with scissors but it takes a more effort than cutting paper or a dollar bill or a candy wrapper, which both the dollar and the candy wrapper I can easily tear with my hands, and I can easily poke a needle through those but can't poke a needle at all with the patch. ...
Originally Posted by greatscott
(Post 20790704)
I once tore a tire so bad, a Conti tire where the sidewall got torn about an inch which blew the tube of course, I had to stuff the tire with weeds, I actually made it home that way!
Originally Posted by greatscott
(Post 20790704)
As far as my higher authority goes...
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One trick I don't think I've seen mentioned here: after you replace a tube, fill it to about 50 - 75% of the final pressure, then deflate it completely. This stretches it into the tire shape, but if there are any pinches, when you deflate they will often resolve themselves, and smooth out. Then pump the tire up to your desired pressure and you should be good to go (barring any other issues, of course).
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I was just going to mention that
Originally Posted by liampboyle
(Post 20782649)
My son cracked the body of it.
Anyway, I think I found the culprits, VALVE CORES!!!! The cores in the Schrade valves, the one in the front wheel was loose as I had suspected, and the back tire just had a straight bad valve core, I replaced it with a spare I had and no more hissing air under pressure. |
Originally Posted by Leisesturm
(Post 20791115)
A boot only needs to maintain enough structural integrity of the tire to keep its innards in place. Your description of the Park Boot brings the term 'overkill' to mind. I don't think dollar bills ($0.72 in 2019) are in much danger from the Park competition.
Your experience matches mine. I have Conti tires on a C&V Raleigh Road Racer. I didn't want to convert it to 700C and Conti is one of very few still making narrow section tires in the 27" size. Both those tires needed boots in the first riding season! There is so much love online for Conti tires notwithstanding the universal acknowledgement of their ... 'delicacy'. I don't get it. I won't ever buy Conti tires again. [/QUOTE] Like an idiot it took me at 3 different times with 3 sets of Conti tires that all failed due to sidewall damage before I finally wised up and said no more, the last time I tried a set of Conti's was about 6 years ago, at least you learned the first time! LOL!! I got caught up with LBS yo yo's telling me that try them now they're great, they won't do that...yes they did. It's funny, but I never in 30 years of riding had other tires fail due to sidewall rips and tears. Granted sometimes I have to ride on gravel roads, but sidewalls should be stout enough to take that, but not the last set of Conti's I tried. The other two sets also all failed due to rips from stones, I'm coming down a mountain pass doing 50 or mph around a curve, I can't just swerve around a small rock (usually a bunch of rocks) that fell off the side of the mountain onto the road, so sometimes I have to hit them, Conti's will rip others will not. The tire thing I have already figured out: Bontrager Hardcase series clinchers.[/QUOTE] I've never used the Bontrager tires but I've had friends who have and they like them, so I think, or hope, you will too. Someday I want to try them but right now I'm doing the Specialized Roubaix Pro tire thing, so far I really like them, they seem to roll well, no cuts or flats either, but I only have about 1,000 miles on them so more miles will be needed for a better idea. I have another bike with the Schwalbe Marathon Green Guards (I think that's what they're called) and those things are tough, tad heavy but for touring purposes they're idea, but they roll better then my last set of touring tires and those were about 100 grams lighter! |
Rolling friction
Originally Posted by Gresp15C
(Post 20782824)
Pun intended? ;)
But still, the idea that wider tires are slower is a misconception from long ago. Of course tires can vary in a number of ways, but a broad generalization is that among tires of similar tread and construction, wider tires actually have less rolling resistance at a given pressure because they deflect less under load. Many people, including myself, who swore that "skinny tires are fast" have discovered the pleasure of riding on wider tires. As an alternative to having lower rolling resistance, wider tires can also be run at lower pressure for the same rolling resistance, resulting in a more comfortable ride. So for instance where I might once have insisted on riding 25mm tires at 100 psi, today I ride my longest distances on 38mm tires at 60 psi, and I'm convinced they're my fastest tires ever. |
And one more trick
Originally Posted by Bat Guano
(Post 20791232)
One trick I don't think I've seen mentioned here: after you replace a tube, fill it to about 50 - 75% of the final pressure, then deflate it completely. This stretches it into the tire shape, but if there are any pinches, when you deflate they will often resolve themselves, and smooth out. Then pump the tire up to your desired pressure and you should be good to go (barring any other issues, of course).
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Originally Posted by Lambiedana
(Post 20793664)
i dont know if i agree with you. I pride myself on reducing rolling friction on all my bicycles. It sure seems like it takes more effort to pedal my mtb on 26x2.10 at any pressure than my fixie on 700x28 at any pressure.
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Past a certain speed and size the ride improvement is countered by aero resistance and weight. Even JH himself puts medium tires on his bikes.
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Originally Posted by Lambiedana
(Post 20793664)
i dont know if i agree with you. I pride myself on reducing rolling friction on all my bicycles. It sure seems like it takes more effort to pedal my mtb on 26x2.10 at any pressure than my fixie on 700x28 at any pressure.
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Originally Posted by liampboyle
(Post 20782249)
So would I but it was already dark out, and there aren't any really good spots for that on my route. I do normally carry a frame pump, spare tube, and patch kit but the pump is broken and needs replaced.
I ALWAYS have those to avoid a flat(s) potentially making me push my bike 5 miles :) If I know my pump is broke before hand, worst case I'll carry my $8 Walmart frame pump and a presta adapter if I had too. My Cannondale badged frame pump failed and I got it going with water on the seals (spit). |
Less flats vs heavier tires & wheels .. its a trade off.. lighter = more vulnerable to flats..
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Originally Posted by u235
(Post 20797454)
Not the point but..
I ALWAYS have those to avoid a flat(s) potentially making me push my bike 5 miles :) If I know my pump is broke before hand, worst case I'll carry my $8 Walmart frame pump and a presta adapter if I had too. My Cannondale badged frame pump failed and I got it going with water on the seals (spit). |
Originally Posted by greatscott
(Post 20797593)
... Even though I haven't had a flat in about 6 months I can almost guarantee you the day I decide to ride a long ways without a pump I'll have a flat! Just for the sole purpose of teaching me a lesson! LOL!!!
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Originally Posted by avole
(Post 20797595)
I'm sorry, but is this a parody, or are you being serious? Bike forums are about bikes, not mythical figures a rider happens to think existed. To make it worse, you then direct the reader to the website of a known charlatan.
Please remove your post, and regain some semblance of credibility. |
Originally Posted by liampboyle
(Post 20797722)
Yeah, I'm pretty sure the whole reason I had the flats was to teach me a lesson for not replacing the pump right away.
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The Park boot comes in a three pack for only slightly more than the cost of three dollar bills. And it is better suited to the task. They take up no appreciable amount of space in my saddle wedge bag. I bought a three pack and that gave me one for each of my bikes plus a spare that stays in a zip lock on a shelf in my garage waiting for the day it needs to replace one in one of my saddle bags. I don't think I have ever needed a boot yet but carrying the Park boot is cheap insurance. The one catastrophic tire failure I had was more than a boot could have covered (a wreck that necessitated replacing the wheel too).
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Originally Posted by daoswald
(Post 20798446)
The Park boot comes in a three pack for only slightly more than the cost of three dollar bills. And it is better suited to the task. They take up no appreciable amount of space in my saddle wedge bag. I bought a three pack and that gave me one for each of my bikes plus a spare that stays in a zip lock on a shelf in my garage waiting for the day it needs to replace one in one of my saddle bags. I don't think I have ever needed a boot yet but carrying the Park boot is cheap insurance. The one catastrophic tire failure I had was more than a boot could have covered (a wreck that necessitated replacing the wheel too).
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How to repair flats correctly
.Schwalbe Marathon |
Originally Posted by Booger1
(Post 20813760)
How to repair flats correctly Schwalbe Marathon
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Originally Posted by liampboyle
(Post 20784833)
Fixed the flats, so back on the road this morning. Ended up just buying a new tube for the rear wheel (Slime tube from Wallyworld, LBS wasn't open before work when I had time to run in). So far so good, spoke to my LBS about getting some of the Continentals before much longer.
I think tires are the most important part of a bike, so I tend to get good ones. For me, that means light and supple, not the heavy duty flat protection kind. Riding 28-32mm slicks, flats are very very rare for me. I am more likely to get flats riding 26" tires with deeper tread, because the front tire throws debris at the rear tire, and tread is more likely to catch and hold onto debris. The rare flats I do get may be from pinch flats or sometimes spokes poking through the wheel with old rim tape. Slime tubes and heavy tires do nothing for that. I have gone to tubeless and its pretty much eliminated any flats. Just need to refill the sealant roughly every 6 months. |
I hardly get flats any more either, and I'm not really sure why. I don't like puncture protection because of the effects on a tire's ride. I wonder if I'm able to avoid bits of glass by steering around them. I do try to do that, but one can never know if one is really successful at that, because so much relies on luck.
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Originally Posted by noglider
(Post 20816200)
I hardly get flats any more either, and I'm not really sure why. I don't like puncture protection because of the effects on a tire's ride. I wonder if I'm able to avoid bits of glass by steering around them. I do try to do that, but one can never know if one is really successful at that, because so much relies on luck.
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