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Michelin Pro 4 Service Course melting

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Michelin Pro 4 Service Course melting

Old 03-18-19, 06:19 PM
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Michelin Pro 4 Service Course melting

Is this a common issue. I like the feel of the mechelin 4s, but the sidewalls melted. Im under the impression that it happens because of long term storage, Ive had 2 sets, 1 was a replacement of the first set, and second one I got a refund. They melted within 4 weeks of fitting.

stored inside, only would have had detergent on them. Removed from bike when degreasing and lubing.

any suggestions or simulat experiences?
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Old 03-18-19, 09:21 PM
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Been there.

I blamed storing the bike near a refrigerator (ozone).
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Old 03-20-19, 09:30 AM
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They had a bad batch a while back. About a year ago, I can't remember exactly, but I know we returned three or four tires to our vendor. One of the tires we returned felt like melted rubber, really sticky, and the tread separated from the sidewall in only one ride.
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Old 03-20-19, 05:22 PM
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It seems pretty wide spread. I spoke to manufacturer, but they stopped replying and I got not real info :/
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Old 03-20-19, 09:12 PM
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yes this is well know for the Mich Pro 4. Never buying Mich again
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Old 03-20-19, 11:00 PM
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Subscribing for pictures...
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Old 03-21-19, 08:51 PM
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Pictures?
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Old 03-22-19, 08:41 PM
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Originally Posted by ThermionicScott
Subscribing for pictures...
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Old 03-22-19, 08:42 PM
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Originally Posted by Troul
Pictures?


pictures dont do it justice it was tacky, and the threads showing through, coming off like bluetack
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Old 03-22-19, 08:57 PM
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Bluetack? That looks green.
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Old 03-22-19, 11:20 PM
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Originally Posted by Troul
Bluetack? That looks green.
i didnt know you were colour blind troell! Hahah
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Old 03-23-19, 03:23 AM
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I worked in a Schwinn shop when I was going to college. We got a bad batch of the low end model Schwinn tire for the 27" bicycles. Some of the finished repairs bicycles started going boom and of course some customers were bringing them back with blow outs. The owner had us mount some of the tires on some rims and hang them in the back. He got a good laugh observing the reaction of his employees as the loud noise would startle some of us.
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Old 03-23-19, 02:26 PM
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Originally Posted by Bonzaii111
i didnt know you were colour blind troell! Hahah
my optometrists has some splaining to do...
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Old 02-08-21, 12:44 AM
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Like others on various forums, I had to trash my pro 4 Service Course tires because the (colored) sidewalls essentially melted, starting even before installation. The resulting sticky blue goo was then hard to get off the rim. Very annoying!. They were admittedly 2 ys old but unused. THe experience with the pro 4s has put me off Michelin altogether, even though the problem can hardly apply to all their tires..
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Old 02-08-21, 09:00 AM
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I think that the ozone thing is pure BS. Theoretically....maybe. But real life? No.

The problem that I had with Michelins was that they were just so damn hard to put on. Great car tires, crappy bike tires.
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Old 02-08-21, 11:11 AM
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Originally Posted by bblair
I think that the ozone thing is pure BS. Theoretically....maybe. But real life? No.

The problem that I had with Michelins was that they were just so damn hard to put on. Great car tires, crappy bike tires.
they are no different in effort with car tires. The tire machine struggles more than it should.
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Old 02-09-21, 09:41 AM
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I used one pair of 559 Michelin Wild Run ‘r tires. They were good and no trouble to mount. Best of all, they didn’t melt!
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