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Old 04-03-2014, 07:12 AM   #1
henrinel OP
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Have anyone seen Heidenau tyres do this?

Hi,

Me and my friend each bought us a set of Heidenau tyres for our KTM's. He has a 990 and I have the 950. We were obviously very excited to fit these. Im still on Mitas and WAS trying to run them down to fit my brand new set of Heidenaus.

In any event, the 990 got its set first and he went to a bike meet about 250Km from where we live, tarmac all the way. We collected as much technical data as possible because I have never seen something like this before.

Heres the data:
Manufacture date was week 29 of 2013. Tyre pressure was at 250kPa (KTM specifies 260 without luggage). Speed was between 140 and 160 kmph. It was on Friday morning (28 March 2014) at around 7:45 so the temperature was around 15-20 degrees celsius if that high. The bike was on flat tarmac underway from Windhoek to Mariental. This happened close to Kalkrand. There was one person on the bike weighing about 125kg without any luggage. The tyre had 1000km +- on it. The towns are in Namibia, Africa.

This is what the tyre did:




And also a lot of damage to the rear-end.

Have anyone seen something like this before? I don't feel too confident in fitting my new Heidenaus any longer.

Thanks
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Old 04-03-2014, 07:13 AM   #2
WVhillbilly
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Seen pictures of Mefo's doing that. Looks scary.
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Old 04-03-2014, 07:15 AM   #3
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Yep. Sticking with Mitas.....
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Old 04-03-2014, 07:19 AM   #4
ShinyRider
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Eh? Oh!

Never seen this before!
I`m driving my Heidenaus since last year. About 10.000 km.
And everything is fine.

Did you already ask the shop where you bought these??
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Old 04-03-2014, 07:23 AM   #5
XtreemLEE
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Heidenaus = junk
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Old 04-03-2014, 07:23 AM   #6
Jaimoto
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I remember a few pics like that from a long time ago when Heidis were launched, but I'd have expected they had sorted that out. yikes
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Old 04-03-2014, 07:45 AM   #7
henrinel OP
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I asked the guy we bought them from and he said:

"Sorry to hear that ! The tyres came from the factory there is DOT no for
week and year of production

Don't think that there is something wrong with the tyres , maybe wrong tyre
preassure , heavy loaded ond a super hot day ???"

Obviously not accurate. I mean we're not idiots. I have gone through the low pressure on a hot day exercise with the Mitas I still have on today and the tube melted. The tyre didnt come apart.
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Old 04-03-2014, 07:45 AM   #8
Dubl-A
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Any tire manufacturer can have bad batches of product. It happens.

I'm glad you weren't hurt!
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Old 04-03-2014, 11:16 AM   #9
sonoran
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Wow.
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Old 04-03-2014, 11:32 AM   #10
Mikef5000
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Bad tire and/or batch. If your tire is the same batch, I'd probably swap it out whenever the shop gets the next batch in. The shop should stand behind the product... and relay the problem on to the manufacture (who should also stand behind it).

But this obviously isn't normal... or common.

I put 12k miles on my first K60 rear, and have almost 6k on my second. All good here.
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Old 04-03-2014, 11:44 AM   #11
Chuckracer
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36.5psi, 87 to 100 mph...for how long? 275lb-without-gear rider...how much stuff strapped to the bike?

I'd say you were seriously under-inflated for those conditions on a dual-purpose tire.
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Old 04-03-2014, 01:35 PM   #12
bomose
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I was riding 2 up with luggage for over 100 miles at 70 mph. I didn't know it but had a slow leak from my valve stem and found out afterwards I was down to 19 psi. The only problem I had was the tire wore quicker. Don't know why yours did that.It is scary, though.
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Old 04-03-2014, 01:42 PM   #13
angelo_balto
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wrf... I've seen that once from k60's but never to that extend

120% tire's fault.
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Old 04-03-2014, 01:53 PM   #14
Rodknee
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i was never a heidenau fan, and this just seals the deal for me. good luck getting a replacement.
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Old 04-03-2014, 03:29 PM   #15
bomose
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Just curious and for future reference, why are you not a fan of K60s? I've had good luck and mileage from them. What type riding do you do and at what speeds? I see you've been to Alaska. If I ever do the same as you, I may consider changing.
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