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Old 05-05-2009, 05:36 PM   #1
taranis   taranis is offline
 
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Avon Cobras... hmmm

I've had a set of these on the bike for just about 3,000 miles now. The other day I was giving the bike a once-over and felt the back tire - I was NOT pleased!

The damn thing has a flat spot right down the middle of the tire. :(" title="" border="0"/> I have been religious in checking my pressure - 41 psi front and back. Can't honestly remember what the tire says it should be, but I'm sure it was either 40 or 45. ???

I know Texas is flat, and I do quite a bit of slabbin', but damn! Already? There still appears to be plenty of tread left, but I'm concerned how it's going to feel in another 6,000 miles when transitioning into a curve. :(" title="" border="0"/>

Anyone else with some mileage on the Cobra rear tire notice this?
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Old 05-05-2009, 05:50 PM   #2
cactusjack   cactusjack is offline
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Avon Cobras... hmmm

I've got 4,000-5,000 on mine. I'll take a look and see if I notice a flat spot.
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Old 05-05-2009, 06:47 PM   #3
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Avon Cobras... hmmm

Thanks for the tip. I just put mine on and will be taking a 1,500 mile ride to Tennessee pulling the trailer in a couple of weeks. I'll keep a close eye on it. If there is a problem it should surely be evident by the time I get back from Custer. Is most of your riding on straight highways or do you do some riding on twisties?
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Old 05-05-2009, 07:38 PM   #4
dandolfn   dandolfn is offline
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Avon Cobras... hmmm

That's the first negative post I've ever seen on Cobras.

The percentage of good reports still isn't bad at all.

Sorry the first guy had to be you!

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Old 05-05-2009, 08:26 PM   #5
taranis   taranis is offline
 
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Avon Cobras... hmmm

My riding is about 50/50. Think of it as slabbin' it out to the twisty back roads. I put anywhere between 200-300 miles on at a ride. Like I said, there is still plenty of tread left in the middle of the tire, but I wasn't expecting the center to be worn down so much.. maybe after 5,000 miles, but not 2800. I can easily see and feel the worn area. I was thinking it might be tire pressure, but I'm at 41 psi and maintain that pretty much all the time. Could be the roads out here, which are cement slab and regular pavement.

I'm gonna be pissed if I only get 7-8,000 out of these before the back needs replacement. Can you say "Car Tire"? :(" title="" border="0"/>

Maybe I just need to get my fat ass on a diet...

I'm not necessarily displeased with the Cobras.... yet.
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Old 05-06-2009, 05:43 AM   #6
madcow   madcow is offline
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Avon Cobras... hmmm

i find i have to run up to 50psi on my cobras to keep them from wearing badly. i started at 40psi and found the were scolloping on the sides. the rise in pressure really helps. btw the tyre reccomends this pressure on the side wall.
 
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Old 05-06-2009, 05:58 AM   #7
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Avon Cobras... hmmm

A guy on the Delphi forum is on his second rear Cobra. He got 9,000 on the first and the cords were showing. His second Cobra has 6,000 miles and he figures it is going to be done around the same mileage as the first.
 
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Old 05-06-2009, 06:22 AM   #8
trip   trip is offline
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Avon Cobras... hmmm

I've only got about 200 miles on my cobras. I'll have to check the pressure.
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Old 05-06-2009, 09:06 AM   #9
phenrichs   phenrichs is offline
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Avon Cobras... hmmm

I will be checking mine as well.
 
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Old 05-06-2009, 01:49 PM   #10
taranis   taranis is offline
 
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Avon Cobras... hmmm


Quote:
Originally Posted by madcow
i find i have to run up to 50psi on my cobras to keep them from wearing badly. i started at 40psi and found the were scolloping on the sides. the rise in pressure really helps. btw the tyre reccomends this pressure on the side wall.
50 ??? Seriously? Man, I gotta go look again when I get home. Thanks for the tip.

No scalloping on mine at all, but that flat spot is buggin' the hell outta me.
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Old 05-06-2009, 01:51 PM   #11
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Avon Cobras... hmmm

My rear tire had a HUGE flat spot!!!
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Old 05-06-2009, 01:58 PM   #12
taranis   taranis is offline
 
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Avon Cobras... hmmm

I'm tellin' ya!

If I'm gonna have a flat spot, I'm getting 30,000 miles out of it! hehehehe
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Old 05-06-2009, 02:22 PM   #13
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Avon Cobras... hmmm


Quote:
Originally Posted by Blowndodge "Darksider"
My rear tire had a HUGE flat spot!!!


Hmmmm, just like the top of Todds head.

I have 3000 on mine and checked them today, no flat spots, heck they dont even look like they have worn any.

Question? If they are wearing out in the center, isnt that due to to high of air pressure.
 
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Old 05-06-2009, 02:46 PM   #14
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Avon Cobras... hmmm


Quote:
Originally Posted by trjam
Quote:
Originally Posted by Blowndodge "Darksider"
My rear tire had a HUGE flat spot!!!


Hmmmm, just like the top of Todds head.

I have 3000 on mine and checked them today, no flat spots, heck they dont even look like they have worn any.

Question? If they are wearing out in the center, isnt that due to to high of air pressure.
that was my thought and as far as air pressure it looks like 41 to me
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Old 05-06-2009, 02:51 PM   #15
trip   trip is offline
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Avon Cobras... hmmm

I was told by the guy that mounted my Cobras to keep 40 in the front and 42 in the rear.
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