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#142123 - 07/09/18 06:08 PM Re: New Knobby tyres [Re: Paul49]
Paul49 Offline
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I've fitted a Metzeler Unicross on the front this time, see how that wears.

Gone for same Dunlop Geomax rear, happy with that for wear & grip.
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1958 Ariel 650 FH, 2014 Tiger Sport1050, 1995 XT225 Serow, Tiger 800 XRx.

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#142124 - 07/09/18 06:11 PM Re: New Knobby tyres [Re: Paul49]
cogitech Offline
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Originally Posted By: Paul49


Thank you, I had Pirelli & Michelin tyres on my previous Serow & didn't get this + they lasted considerably longer. I was wondering if I had a problem with the wheel. Cheers pal.


I think it has to do with the specific tread pattern. The K760 is very similar to the second photo that you posted. Paddle-like, widely-spaced bars with offset side knobs. Not sure about yours, but the K760 is also a very soft compound in my estimation. Maybe it is a combination of the tread pattern and soft compound.


Edited by cogitech (07/09/18 06:12 PM)
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#142125 - 07/09/18 06:28 PM Re: New Knobby tyres [Re: Paul49]
Paul49 Offline
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Hopefully my new front is a tad harder then.
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1958 Ariel 650 FH, 2014 Tiger Sport1050, 1995 XT225 Serow, Tiger 800 XRx.

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#142126 - 07/09/18 06:35 PM Re: New Knobby tyres [Re: Paul49]
cogitech Offline
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It looks like a more "normal" tread pattern, anyway. I think they all develop some "cupping" from braking over time, but usually it is at least uniform.
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'06 XT225, 2" hole in airbox, Z1 mod, 127.5 main jet, UNI air filter, Corbin seat, PIAA 500Hz, custom aluminum rear rack.

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#142127 - 07/09/18 06:38 PM Re: New Knobby tyres [Re: Paul49]
Paul49 Offline
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I've heard that saying many times "cupping" wondered what it was.
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1958 Ariel 650 FH, 2014 Tiger Sport1050, 1995 XT225 Serow, Tiger 800 XRx.

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#142128 - 07/09/18 06:45 PM Re: New Knobby tyres [Re: Paul49]
cogitech Offline
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Registered: 06/08/16
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Loc: Kamloops, BC
I only figured it out through context and by seeing it for myself. The knobs that develop the "angled" wear actually have a somewhat concave shape - I can only assume that the concave shape inspired the name "cup/cupping".

I could be totally wrong. smile
_________________________
'06 XT225, 2" hole in airbox, Z1 mod, 127.5 main jet, UNI air filter, Corbin seat, PIAA 500Hz, custom aluminum rear rack.

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#142136 - 07/10/18 02:27 PM Re: New Knobby tyres [Re: Paul49]
Muniac Offline


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Well those tires are made from inflated rubber which is conformal to the surface it rolls on. Perhaps in complex ways too. I can see logic in that wear pattern. New tires are always nice. Enjoy fresh rubber!
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#142139 - 07/10/18 02:33 PM Re: New Knobby tyres [Re: Paul49]
peejman Offline
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Looks like typical cupping to me as well. Hard braking on asphalt with low-ish tire pressures will do it every time. Some tire are more prone to it than others. If the tire isn't worn out or directional, you can turn it around and get a little more life out of it.
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2006 XT225, UNI filter, ProTaper bars, MSR handguards, SS front brake line, Shinko 241's.

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#142141 - 07/10/18 02:45 PM Re: New Knobby tyres [Re: Paul49]
Paul49 Offline
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Registered: 07/22/11
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Loc: High Peak, UK
Ayup m8, hard braking? these bikes don't do hard braking, Ha.
Fair enough low pressures, usually around 12psi for trail riding. Never had it with other tyres so must be quite a soft compound eh.

One good thing has come out of this, I now know what cupping means, I shall be cupping it down the pub. laugh
_________________________
1958 Ariel 650 FH, 2014 Tiger Sport1050, 1995 XT225 Serow, Tiger 800 XRx.

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#142142 - 07/10/18 02:56 PM Re: New Knobby tyres [Re: Paul49]
Paul49 Offline
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Registered: 07/22/11
Posts: 1606
Loc: High Peak, UK
Yes Muniac, fresh rubber always looks & feels great on any bike. And, ya knows ya aint gotta do that horrible job again for another 3k miles. Mebbe more if I run um harder but likely I'll fall off then. Don't bounce too good these days.


Thanks for all the tips boys, and the cupping explanation.
_________________________
1958 Ariel 650 FH, 2014 Tiger Sport1050, 1995 XT225 Serow, Tiger 800 XRx.

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