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#21
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Michelin Power Endurance Tires
On 2017-10-25 10:50, Doug Landau wrote:
On Wednesday, October 25, 2017 at 10:42:59 AM UTC-7, Joerg wrote: On 2017-10-25 10:38, Doug Landau wrote: [...] ... As I said before yes the conti sidewalls will suffer in the summer sun, but a little black gasket sealer will keep that at bay until you wear it out. I am not planning on having to correct mistakes a manufacturer made on products that are expensive to begin with. Then I simply walk away from the product, as I did here. Are you kidding?!? You spend more time correcting manufacturer's mistakes than anybody. Including mistakes that multiple manufacturers collude upon. Hell together they either can't or won't produce a mr tuffy that you don't say has to be wrapped like a bageldog to work Put one in a MTB rear tire, ride lots of rocky trails and look at the tube after a few thousand miles. You will be unpleasantly surprised. _Then_ voice an opinion. -- Regards, Joerg http://www.analogconsultants.com/ |
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#22
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Michelin Power Endurance Tires
On 2017-10-25 21:51, Frank Krygowski wrote:
On 10/25/2017 8:25 PM, James wrote: Riding to the left of the fog line (right for the USians), where all the glass and rubbish gets deposited by the passing of motor vehicles, also multiplies your chances of getting a puncture. Indeed. Last year or the year before, on one long (for me) ride I like to do occasionally, I was on a fairly busy highway. A truck came up behind me not long before my left turn onto a quieter road. I thought "I can take the lane, but he'll have to slow down before that hill. I'll give him a break and move to the shoulder." I was rewarded with a flat tire. As they say, no good deed goes unpunished. That is where thick tubes plus liner plus fairly puncture resistant tires excel. They also let you continue the journey when that dreaded sign "Pavement ends 200ft" comes up and the road ahead looks like nobody has maintained it in decades. I used one of those twice yesterday, a chunk of the old Lincoln Highway, abandoned decades ago. The lanes are still Model-T width and lots of debris strewn about, smashed booze bottles and such. https://www.villagelife.com/files/20...EB-300x400.jpg Yo, Frank, any words of wisdom from the ME in you on the 160 - 203mm rotor increase in the other thread? I've posted photos of the current caliper mounts. -- Regards, Joerg http://www.analogconsultants.com/ |
#23
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Michelin Power Endurance Tires
On Thursday, October 26, 2017 at 7:44:24 AM UTC-7, Joerg wrote:
On 2017-10-25 10:50, Doug Landau wrote: On Wednesday, October 25, 2017 at 10:42:59 AM UTC-7, Joerg wrote: On 2017-10-25 10:38, Doug Landau wrote: [...] ... As I said before yes the conti sidewalls will suffer in the summer sun, but a little black gasket sealer will keep that at bay until you wear it out. I am not planning on having to correct mistakes a manufacturer made on products that are expensive to begin with. Then I simply walk away from the product, as I did here. Are you kidding?!? You spend more time correcting manufacturer's mistakes than anybody. Including mistakes that multiple manufacturers collude upon. Hell together they either can't or won't produce a mr tuffy that you don't say has to be wrapped like a bageldog to work Put one in a MTB rear tire, ride lots of rocky trails and look at the tube after a few thousand miles. You will be unpleasantly surprised. _Then_ voice an opinion. When I installed the tube in the Power Endurance it was pretty difficult. There was minimal talc on the tube if any. Maybe the tube companies are spooked by the latest loonie research suggesting that talc can cause cancer spurring lawsuits against J & J that has sold talcum powder for 125 years. When I was changing the punctured tube out it was abraded by the tire. Not horribly so but this only has 100 miles on it. |
#24
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Michelin Power Endurance Tires
On 10/26/2017 10:58 AM, Joerg wrote:
On 2017-10-25 21:51, Frank Krygowski wrote: On 10/25/2017 8:25 PM, James wrote: Riding to the left of the fog line (right for the USians), where all the glass and rubbish gets deposited by the passing of motor vehicles, also multiplies your chances of getting a puncture. Indeed. Last year or the year before, on one long (for me) ride I like to do occasionally, I was on a fairly busy highway. A truck came up behind me not long before my left turn onto a quieter road. I thought "I can take the lane, but he'll have to slow down before that hill. I'll give him a break and move to the shoulder." I was rewarded with a flat tire.Â* As they say, no good deed goes unpunished. That is where thick tubes plus liner plus fairly puncture resistant tires excel. I'm sure they help, but I'm also sure I don't want to put up with the additional rolling resistance. I normally ride the portions of the road swept clear of debris by traffic. I get just a few flats per year, far too few to bother with any changes that slow me down. Heck, I'm plenty slow already. They also let you continue the journey when that dreaded sign "Pavement ends 200ft" comes up and the road ahead looks like nobody has maintained it in decades. I use gravel roads and forest tracks from time to time. Actually, my last flat was during a ride in our local forest preserve. I was on my about-town utility 3 speed bike, and made a spur-of-the-moment decision to cruise the back trails to check on downed trees. The flat was a pinch flat, not a puncture, and entirely my fault. I knew my tires (1 1/4") were a bit low. Yo, Frank, any words of wisdom from the ME in you on the 160 - 203mm rotor increase in the other thread? I've posted photos of the current caliper mounts. Just what I already wrote: I don't think you'll have any problems. AFAIK most of the cautions about discs and forks apply to installing a disc on a road fork not designed for the additional stresses. Yours is a mountain bike suspension fork. It can certainly handle the imposed moments. But your dropouts and quick release are a potential problem, as you've already realized. The mounting posts could, I suppose, be a concern; but I don't anticipate problems. If you're worried about your mounting posts taking additional stress, perhaps you could get in the habit of inspecting them. Watch for cracks at the bottom where the posts stick out of the main body of the fork. But this is free advice, done without much computation. It comes with no warranty. -- - Frank Krygowski |
#25
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Michelin Power Endurance Tires
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#26
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Michelin Power Endurance Tires
On Thursday, October 26, 2017 at 7:44:24 AM UTC-7, Joerg wrote:
On 2017-10-25 10:50, Doug Landau wrote: On Wednesday, October 25, 2017 at 10:42:59 AM UTC-7, Joerg wrote: On 2017-10-25 10:38, Doug Landau wrote: [...] ... As I said before yes the conti sidewalls will suffer in the summer sun, but a little black gasket sealer will keep that at bay until you wear it out. I am not planning on having to correct mistakes a manufacturer made on products that are expensive to begin with. Then I simply walk away from the product, as I did here. Are you kidding?!? You spend more time correcting manufacturer's mistakes than anybody. Including mistakes that multiple manufacturers collude upon. Hell together they either can't or won't produce a mr tuffy that you don't say has to be wrapped like a bageldog to work Put one in a MTB rear tire, ride lots of rocky trails and look at the tube after a few thousand miles. You will be unpleasantly surprised. _Then_ voice an opinion. I already did so 25 years ago and will not be surprised and have already voiced my opinion. I told you here before you tried them that mr tuffys out of the box will chafe a hole in your tube. I didn't say you are wrong to correct manufacturer's mistakes, I said you are wrong when you said you won't. And won't plan to. Now take a new gatorskin, take a tube of Permatex #2 or other black automotive gasket sealer, and a latex glove, and run a thin layer over the sidewalls, and tell us how that worked out six months later. |
#27
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Michelin Power Endurance Tires
On 2017-10-26 09:48, Frank Krygowski wrote:
On 10/26/2017 10:58 AM, Joerg wrote: On 2017-10-25 21:51, Frank Krygowski wrote: On 10/25/2017 8:25 PM, James wrote: Riding to the left of the fog line (right for the USians), where all the glass and rubbish gets deposited by the passing of motor vehicles, also multiplies your chances of getting a puncture. Indeed. Last year or the year before, on one long (for me) ride I like to do occasionally, I was on a fairly busy highway. A truck came up behind me not long before my left turn onto a quieter road. I thought "I can take the lane, but he'll have to slow down before that hill. I'll give him a break and move to the shoulder." I was rewarded with a flat tire. As they say, no good deed goes unpunished. That is where thick tubes plus liner plus fairly puncture resistant tires excel. I'm sure they help, but I'm also sure I don't want to put up with the additional rolling resistance. I normally ride the portions of the road swept clear of debris by traffic. Yesterday I saw a new sign on Leidesdorff Street in Folsom "Bicyclists may use full lane". Only for a few hundred feet because it's part of the new "Johnny Cash Bike Trail" but there you would not get a ticket. ... I get just a few flats per year, far too few to bother with any changes that slow me down. Heck, I'm plenty slow already. They also let you continue the journey when that dreaded sign "Pavement ends 200ft" comes up and the road ahead looks like nobody has maintained it in decades. I use gravel roads and forest tracks from time to time. Actually, my last flat was during a ride in our local forest preserve. I was on my about-town utility 3 speed bike, and made a spur-of-the-moment decision to cruise the back trails to check on downed trees. The flat was a pinch flat, not a puncture, and entirely my fault. I knew my tires (1 1/4") were a bit low. The difference is that you guys do not have goat's head thorns. Those can even puncture a car tire. Last week I met three other MTB riders on the El Dorado trail. Two (!) of them had green slime oozing from their front tires half way up to Placerville. Yo, Frank, any words of wisdom from the ME in you on the 160 - 203mm rotor increase in the other thread? I've posted photos of the current caliper mounts. Just what I already wrote: I don't think you'll have any problems. AFAIK most of the cautions about discs and forks apply to installing a disc on a road fork not designed for the additional stresses. Yours is a mountain bike suspension fork. It can certainly handle the imposed moments. But your dropouts and quick release are a potential problem, as you've already realized. The mounting posts could, I suppose, be a concern; but I don't anticipate problems. If you're worried about your mounting posts taking additional stress, perhaps you could get in the habit of inspecting them. Watch for cracks at the bottom where the posts stick out of the main body of the fork. I'd agree, just wanted to hear a 2nd opinion. So I just ordered the adapters. The bike gets inspected by me before every ride and that includes the caliper area. To make sure there are no leaks and such. I'd see a cracking post. Now I have to find good rotors. The Shimamno RT66 looks quite ok unless I can find a solid disc somewhere (has become tough). http://www.jensonusa.com/Shimano-RT6...sc-Brake-Rotor But this is free advice, done without much computation. It comes with no warranty. Thanks. I'll send the health care folks to you if it results in a bad prang :-) -- Regards, Joerg http://www.analogconsultants.com/ |
#29
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Michelin Power Endurance Tires
On 2017-10-26 10:07, Doug Landau wrote:
On Thursday, October 26, 2017 at 7:44:24 AM UTC-7, Joerg wrote: On 2017-10-25 10:50, Doug Landau wrote: On Wednesday, October 25, 2017 at 10:42:59 AM UTC-7, Joerg wrote: On 2017-10-25 10:38, Doug Landau wrote: [...] ... As I said before yes the conti sidewalls will suffer in the summer sun, but a little black gasket sealer will keep that at bay until you wear it out. I am not planning on having to correct mistakes a manufacturer made on products that are expensive to begin with. Then I simply walk away from the product, as I did here. Are you kidding?!? You spend more time correcting manufacturer's mistakes than anybody. Including mistakes that multiple manufacturers collude upon. Hell together they either can't or won't produce a mr tuffy that you don't say has to be wrapped like a bageldog to work Put one in a MTB rear tire, ride lots of rocky trails and look at the tube after a few thousand miles. You will be unpleasantly surprised. _Then_ voice an opinion. I already did so 25 years ago and will not be surprised and have already voiced my opinion. I told you here before you tried them that mr tuffys out of the box will chafe a hole in your tube. I didn't say you are wrong to correct manufacturer's mistakes, I said you are wrong when you said you won't. And won't plan to. Now take a new gatorskin, take a tube of Permatex #2 or other black automotive gasket sealer, and a latex glove, and run a thin layer over the sidewalls, and tell us how that worked out six months later. So what's next? Build your won tire? There comes a limit and there is no need to buy expensive tires with poorly design side walls. Because you can buy tires with better side walls. Which I am now doing. With tire liners there is no such option, with tires there is. -- Regards, Joerg http://www.analogconsultants.com/ |
#30
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Michelin Power Endurance Tires
On 2017-10-26 09:56, Frank Krygowski wrote:
On 10/26/2017 10:24 AM, wrote: On Wednesday, October 25, 2017 at 2:27:58 AM UTC+2, jbeattie wrote: On Tuesday, October 24, 2017 at 3:50:31 PM UTC-7, wrote: I picked up a piece of glass today and got a flat on my third ride on this tire. I didn't get any flats on the Pro4 Endurance though some people say that they cut easily. The Pro4 Endurance tire rolled really easily - something that the Power Endurance doesn't seem to do. Though that could simply be personal opinion. I'm selling a set of wheels and they have Specialized Armadillos on them. They did not have more than possibly 500 miles on them and showed a lot of wear. While looking at them one of them had a real long cut but still no flat. These are VERY expensive tires. But the flat I got today I'm sure I would not have gotten on a Continental Gatorskin. So it appears that Continental is still the uncontested king of flat-proof tires. That's disappointing to hear. I don't think my Pro4 Endurance are that tough, but they are certainly more flat-proof than Pro4 Service Course. The version II of the Pro4 Endurance supposedly had lower rolling resistance than version I of the Service Course. The Endurance was a pretty fast tire. You have to wonder why they fooled with it. I don't think Gatorskins or 4Seasons have changed in ten years. Conti has not seen a need to constantly fiddle with them, although like Joerg said, they might want to re-think the sidewalls. I hope not if it means increasing rolling resistance. If you don't want flats or side wall cuts in case you hit a rock use Schwalbe marathon plus tires and accept the weight penalty and increase in rolling resistance instead of demanding sturdier side walls of high performance tires. The worry about sidewall cuts surprises me. I get them so seldom they're not even a concern. That's despite regular brief excursions on gravel, using Paselas, or Gatorskins, or Schwalbe Marathons, depending on the bike. Long ago I had some sidewall bubbles (not cuts) in Continental touring tires, but I think that's a different problem entirely. https://www.youtube.com/watch?v=x7VR3jdwZ3k https://www.youtube.com/watch?v=1vOQQISgIjs https://www.youtube.com/watch?v=GEUYW7LNgw4 Some of their other series seem to have side wall blows as well: https://www.youtube.com/watch?v=NiPBo0hdrvA -- Regards, Joerg http://www.analogconsultants.com/ |
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