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Michelin Power Endurance Tires



 
 
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  #41  
Old October 30th 17, 08:20 PM posted to rec.bicycles.tech
[email protected]
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Posts: 3,345
Default Michelin Power Endurance Tires

On Monday, October 30, 2017 at 12:17:39 PM UTC-7, Joerg wrote:
On 2017-10-30 12:14, Doug Landau wrote:
On Thursday, October 26, 2017 at 4:39:17 PM UTC-7, Joerg wrote:
On 2017-10-26 15:50, wrote:
On Thursday, October 26, 2017 at 10:51:28 AM UTC-7, Joerg wrote:
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

I ride Market St. or 3rd or others with heavy train tracks. I
ride over the local Alameda bridges and they are all steel
gratings. I ride over the steel plates thrown over the top of
excavations. And I've never had a sidewall blowout on a
Gatorskin. Though I have on the less expensive tires.

I'm wondering if you over or under inflate your tires a large
amount.


I inflate to around 105psi and don't let them drop lower than
75psi. A road bike tire is supposed to be able to live with that.


When I started road cycling the nice guy at my LBS who was mentoring
me expressed surprise that I was not yet pumping up my tires every
day, ...



There you can see how much cyclists have gotten used to sub-par gear.
Can you imagine having to pump up the tires of your car every few days?


and then appeared alarmed at my response, and said emphatically
"Below 80 they can roll off in a corner!!!"


They don't. Also, ever since I switched to thick tubes it takes 6-8
weeks to drop to 75psi.


I can't remember rolling a tire off unless the pressure was reduced to near nothing by a flat. I'm sure that you could roll a tubular off at lower pressures so that might be where that myth came from.
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  #42  
Old October 30th 17, 08:32 PM posted to rec.bicycles.tech
Joerg[_2_]
external usenet poster
 
Posts: 4,826
Default Michelin Power Endurance Tires

On 2017-10-30 12:20, wrote:
On Monday, October 30, 2017 at 12:17:39 PM UTC-7, Joerg wrote:
On 2017-10-30 12:14, Doug Landau wrote:



[...]

and then appeared alarmed at my response, and said emphatically
"Below 80 they can roll off in a corner!!!"


They don't. Also, ever since I switched to thick tubes it takes
6-8 weeks to drop to 75psi.


I can't remember rolling a tire off unless the pressure was reduced
to near nothing by a flat. I'm sure that you could roll a tubular off
at lower pressures so that might be where that myth came from.


I only know it from mountain bikers running low pressures on tubeless
tires ... PSHOOOF ... sometimes a wee bit of air remained, sometimes it
was all gone or the tire came off.

Of course, the real die-hards will not be fazed by a tire coming off:

https://www.youtube.com/watch?v=PUoCSzVmhhQ

I have only done that slowly and as straight as possible. When a side
wall blows out the tube and tire are hosed anyhow so I continue riding
on the flat as long as possible. Pretty much until the tire is about to
wear through where the rim could contact the soil or pavement. Any mile
not walked is time saved for the trip home.

--
Regards, Joerg

http://www.analogconsultants.com/
  #43  
Old October 31st 17, 04:19 AM posted to rec.bicycles.tech
Frank Krygowski[_4_]
external usenet poster
 
Posts: 5,622
Default Michelin Power Endurance Tires

On 10/30/2017 3:17 PM, Joerg wrote:
On 2017-10-30 12:14, Doug Landau wrote:


When I started road cycling the nice guy at my LBS who was mentoring
meĀ* expressed surprise that I was not yet pumping up my tires every
day, ...



There you can see how much cyclists have gotten used to sub-par gear.
Can you imagine having to pump up the tires of your car every few days?


And can you imagine having to pedal your car to get it to go 20 mph?
Yes, we cyclists really are using inferior equipment! It's an outrage!


--
- Frank Krygowski
  #44  
Old October 31st 17, 02:32 PM posted to rec.bicycles.tech
[email protected]
external usenet poster
 
Posts: 3,345
Default Michelin Power Endurance Tires

On Monday, October 30, 2017 at 12:32:06 PM UTC-7, Joerg wrote:
On 2017-10-30 12:20, wrote:
On Monday, October 30, 2017 at 12:17:39 PM UTC-7, Joerg wrote:
On 2017-10-30 12:14, Doug Landau wrote:



[...]

and then appeared alarmed at my response, and said emphatically
"Below 80 they can roll off in a corner!!!"


They don't. Also, ever since I switched to thick tubes it takes
6-8 weeks to drop to 75psi.


I can't remember rolling a tire off unless the pressure was reduced
to near nothing by a flat. I'm sure that you could roll a tubular off
at lower pressures so that might be where that myth came from.


I only know it from mountain bikers running low pressures on tubeless
tires ... PSHOOOF ... sometimes a wee bit of air remained, sometimes it
was all gone or the tire came off.

Of course, the real die-hards will not be fazed by a tire coming off:

https://www.youtube.com/watch?v=PUoCSzVmhhQ

I have only done that slowly and as straight as possible. When a side
wall blows out the tube and tire are hosed anyhow so I continue riding
on the flat as long as possible. Pretty much until the tire is about to
wear through where the rim could contact the soil or pavement. Any mile
not walked is time saved for the trip home.


I got a flat on a gatorskin and discovered my flat pack missing. I don't know if it fell off or was stolen. There was a Performance Bicycle in Dublin that I remembered and rode three or four miles there and replaced the tube etc. and carried on without any visible damage to the sidewalls of the gatorskin.
  #45  
Old November 1st 17, 08:22 PM posted to rec.bicycles.tech
Joerg[_2_]
external usenet poster
 
Posts: 4,826
Default Michelin Power Endurance Tires

On 2017-10-31 06:32, wrote:
On Monday, October 30, 2017 at 12:32:06 PM UTC-7, Joerg wrote:
On 2017-10-30 12:20,
wrote:
On Monday, October 30, 2017 at 12:17:39 PM UTC-7, Joerg wrote:
On 2017-10-30 12:14, Doug Landau wrote:



[...]

and then appeared alarmed at my response, and said
emphatically "Below 80 they can roll off in a corner!!!"


They don't. Also, ever since I switched to thick tubes it
takes 6-8 weeks to drop to 75psi.

I can't remember rolling a tire off unless the pressure was
reduced to near nothing by a flat. I'm sure that you could roll a
tubular off at lower pressures so that might be where that myth
came from.


I only know it from mountain bikers running low pressures on
tubeless tires ... PSHOOOF ... sometimes a wee bit of air remained,
sometimes it was all gone or the tire came off.

Of course, the real die-hards will not be fazed by a tire coming
off:

https://www.youtube.com/watch?v=PUoCSzVmhhQ

I have only done that slowly and as straight as possible. When a
side wall blows out the tube and tire are hosed anyhow so I
continue riding on the flat as long as possible. Pretty much until
the tire is about to wear through where the rim could contact the
soil or pavement. Any mile not walked is time saved for the trip
home.


I got a flat on a gatorskin and discovered my flat pack missing. I
don't know if it fell off or was stolen.



No, no, you sent them to me :-)


... There was a Performance
Bicycle in Dublin that I remembered and rode three or four miles
there and replaced the tube etc. and carried on without any visible
damage to the sidewalls of the gatorskin.


Then you were lucky. Mine were unfixable, it looks like someone fired a
45 through it from the other side.

--
Regards, Joerg

http://www.analogconsultants.com/
 




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