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Author Topic: MITAS E07 Tread failure  (Read 28170 times)

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Offline ExploreSA

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MITAS E07 Tread failure
« on: September 21, 2014, 04:39:37 pm »
This morning around 9AM we sent off 2x rental GS's and 1 GSA on a trip to East Transvaal

Just when we were readying to go play a round of golf Joe phoned.
 About 80km from when the rentals left the rear Mitas tyre on the GSA delaminated seriously.
 Trudie and I offloaded the golfcart from the trailer and loaded an Anakee tyre in the boot and left to assist them, already waiting at the Petroport on the N12.
 Fortunately the workshop guys at RedStar raceway were present and they could do the swop for us.

The tyres were fitted new on Tuesday and we rode less than 600km on them before handing over to the Clients.

Tyre pressure from the fitting was at 230

But what I am very concerned about is that the tyre was fitted new on Tuesday and has not done more the 700km when this happened. One can see on the closeup the cracks in the tread adjacent to the delamination. The rest of the tyre tread looks ok.

Is this common?







« Last Edit: September 21, 2014, 04:40:21 pm by ExploreSA »
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Offline Genesis115

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Re:
« Reply #1 on: September 21, 2014, 04:43:12 pm »
This will be the first i see a e07 do this. Wow

Offline BLK

Re: MITAS E07 Tread failure
« Reply #2 on: September 21, 2014, 04:47:58 pm »
My last gs800adv with 2000km's on them(Tubed)were showing hair line cracks against the Blocks.My last gs800(2013)also showed signs of cracking against the blocks.I love the tyres but it does raise some ? marks.

« Last Edit: September 21, 2014, 04:48:35 pm by BLK »
 

Offline Raka

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Re: MITAS E07 Tread failure
« Reply #3 on: September 21, 2014, 04:50:38 pm »
Bit more info on the ' Renter' maybe ? Topspeed ?  Pillion and panniers ? Not putting blame on the rider , only looking for the real reason with you , as I was/am considering the E07 as my next tire.
 

Offline Coxwain

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Re: MITAS E07 Tread failure
« Reply #4 on: September 21, 2014, 04:53:12 pm »
Mmmmmm....now where have I seen this before :patch:
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Offline Snafu

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Re: MITAS E07 Tread failure
« Reply #5 on: September 21, 2014, 04:57:39 pm »
Bit more info on the ' Renter' maybe ? Topspeed ?  Pillion and panniers ? Not putting blame on the rider , only looking for the real reason with you , as I was/am considering the E07 as my next tire.

My first thoughtwas top speed, but looking at the condition, it seems to be only cracked in that area?
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Offline ExploreSA

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Re:
« Reply #6 on: September 21, 2014, 05:24:39 pm »
The rental group was still settling in with a local rider leading. Speed not the issue today.
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Offline Kenzogs

Re: MITAS E07 Tread failure
« Reply #7 on: September 21, 2014, 06:01:56 pm »
Not good news as I have been on E07s for the last few years. Beside one with the block cracking problem they have been excellent. Hopefully just one bad tyre and not a bad batch.
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Offline BiG DoM

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Re: MITAS E07 Tread failure
« Reply #8 on: September 21, 2014, 06:09:20 pm »
Direct call to Darren Bishop (KTMJedi) - the importer is necessary. You have PM.
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Offline Titanic

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Re: MITAS E07 Tread failure
« Reply #9 on: September 21, 2014, 06:10:33 pm »
Interesting. There are a lot of cracks, not only where the failure occurred.
There is an out of the ordinary mark, which I marked in red. I wonder what that is.
Also, doesn't all E07's rear's have the solid strip in the middle? This one doesn't.
 
 

Offline BiG DoM

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Re: MITAS E07 Tread failure
« Reply #10 on: September 21, 2014, 06:13:41 pm »
Only the new generation E07's have 'the strip'...  ::)
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Offline Mev Vis Arend

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Re: MITAS E07 Tread failure
« Reply #11 on: September 21, 2014, 06:16:22 pm »
 :o  WOW. Our two Mitas failures seems to be Miki Mouse compare to this incident.
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Offline goblin

Re: MITAS E07 Tread failure
« Reply #12 on: September 21, 2014, 06:32:41 pm »
 :eek7:
 

Offline Uberutang

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Re: MITAS E07 Tread failure
« Reply #13 on: September 21, 2014, 06:39:16 pm »
went to check mine.. and I also have cracks...

+ - 3000km on them, 100km of dirt,(if that) never seen 150 on the bike (transalp) (usually cruise at 90 -100kmh) and rear is 2.8 as per the transalp owners manual for 2 up.

I have tried to get hold of ktmjedi on roamafrica, but so far I have had no response, so perhaps I luck out here?




Mitas e07
Honda transalp
2.8 rear pressure (rider and passenger)
2. 0 front

Planning an overnight trip with some dirt roads early OCT, so would love to know if this is safe to ride on?
« Last Edit: September 21, 2014, 06:41:08 pm by Uberutang »
 

Online SmuGS

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Re: MITAS E07 Tread failure
« Reply #14 on: September 21, 2014, 06:40:21 pm »
 :sip:
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Offline GeenSand

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Re:
« Reply #15 on: September 21, 2014, 06:47:33 pm »
Problem is they are crap.. fact..
Super slip no grip on wet tar.
Mine broke off blocks at a time..
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Offline Fudmucker

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Re: MITAS E07 Tread failure
« Reply #16 on: September 21, 2014, 07:09:19 pm »
This is very troubling...!
I'm running E07's front and back on my GS  at the moment.
I run them in over some time commuting 12kms to work and 12km back again
before using them on a long trip.
I also run them very hard on tar (250F 290R)
Nothing like this on mine... I hope never!
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Offline Uberutang

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Re: MITAS E07 Tread failure
« Reply #17 on: September 21, 2014, 07:30:16 pm »
This is very troubling...!
I'm running E07's front and back on my GS  at the moment.
I run them in over some time commuting 12kms to work and 12km back again
before using them on a long trip.
I also run them very hard on tar (250F 290R)
Nothing like this on mine... I hope never!

I do 70km per day on tar, and then what ever I can manage on weekends :) So I need something that will not suddenly fail on me.  (student budget)
 

Offline KTMjedi

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Re: MITAS E07 Tread failure
« Reply #18 on: September 21, 2014, 07:37:07 pm »
This is concerning but not something that I have experience before. Small cracks are not a cause or precursor to this kind of failure. This is a delamination and other factors are the cause. We sell 100s of E-07 per month and never had any serious failures to this extent so I believe this is a rarity. I will institute a full investigation into the cause but rest assured that you are safe on your E-07 tyres!

Offline KTMjedi

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Re: MITAS E07 Tread failure
« Reply #19 on: September 21, 2014, 07:46:12 pm »
2.3 bar is too low for on road pressure. I am not saying that this was the sole cause but please make sure you run higher pressure to limit heat build up in the tyres. Once again I van assure you that you are very safe on Mitas!