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From: Wicked Uncle Nigel on 9 Apr 2010 16:34
No, not a "which one" thread. More of a "when?" thread.

Look, this is a little embarrassing...

OK, modern front tyres don't have a whole hell of a lot of tread to
begin with. And I have real trouble deciding what's legal, and what's
not when they get worn.

My front tyres tend to "feather" in that the individual tread blocks
wear on the leading corner, so I end up with a tyre that looks pretty
worn and pretty new at the same time.

So how do you judge when it needs changing?

--
Wicked Uncle Nigel - "He's hopeless, but he's honest"

I've always been a man who's open to persuasion
From: Ace on 9 Apr 2010 16:52
On Fri, 9 Apr 2010 21:34:29 +0100, Wicked Uncle Nigel
<wun(a)wicked-uncle-nigel.me.uk> wrote:

>No, not a "which one" thread. More of a "when?" thread.
>
>Look, this is a little embarrassing...
>
>OK, modern front tyres don't have a whole hell of a lot of tread to
>begin with. And I have real trouble deciding what's legal, and what's
>not when they get worn.
>
>My front tyres tend to "feather" in that the individual tread blocks
>wear on the leading corner, so I end up with a tyre that looks pretty
>worn and pretty new at the same time.
>
>So how do you judge when it needs changing?

Same as it ever was - if there's still some rubber covering the canvas
there's still some life left.

From: YTC#1 on 9 Apr 2010 16:54
On Fri, 09 Apr 2010 22:52:32 +0200, Ace wrote:

> On Fri, 9 Apr 2010 21:34:29 +0100, Wicked Uncle Nigel
> <wun(a)wicked-uncle-nigel.me.uk> wrote:
>
>>No, not a "which one" thread. More of a "when?" thread.
>>
>>Look, this is a little embarrassing...
>>
>>OK, modern front tyres don't have a whole hell of a lot of tread to begin
>>with. And I have real trouble deciding what's legal, and what's not when
>>they get worn.
>>
>>My front tyres tend to "feather" in that the individual tread blocks wear
>>on the leading corner, so I end up with a tyre that looks pretty worn and
>>pretty new at the same time.
>>
>>So how do you judge when it needs changing?
>
> Same as it ever was - if there's still some rubber covering the canvas
> there's still some life left.

Canvas !

Pah !


--
Bruce Porter
XJR1300SP, XJ900F, GSX250, Pegaso 650 Trail
POTM#1(KoTL), WUSS#1 , YTC#1(bar), OSOS#2(KoTL) , DS#3 , IbW#18 ,Apostle#8
"The internet is a huge and diverse community and not every one is friendly"
http://www.ytc1.co.uk
There *is* an alternative! http://www.openoffice.org/

From: doetnietcomputeren on 9 Apr 2010 16:55
On 2010-04-09 22:34:29 +0200, Wicked Uncle Nigel
<wun(a)wicked-uncle-nigel.me.uk> said:

> No, not a "which one" thread. More of a "when?" thread.
>
> Look, this is a little embarrassing...
>
> OK, modern front tyres don't have a whole hell of a lot of tread to
> begin with. And I have real trouble deciding what's legal, and what's
> not when they get worn.
>
> My front tyres tend to "feather" in that the individual tread blocks
> wear on the leading corner, so I end up with a tyre that looks pretty
> worn and pretty new at the same time.
>
> So how do you judge when it needs changing?

As I understand it, only the part of the tyre that has a wear indicator
is measurable.[1]

So if the outer most edge is wearing, but all the treat indicators
still have plenty of wear left to go, you're okay. Unless you break
through to canvas and/or steel.

[1] if you look at some of the big, no, BIG, tyres for Lambos and the
like, they are virtually slicks on the outer 2 inches when new.

--
Dnc

From: ginge on 9 Apr 2010 17:00
On Fri, 9 Apr 2010 21:34:29 +0100, Wicked Uncle Nigel
<wun(a)wicked-uncle-nigel.me.uk> wrote:

>No, not a "which one" thread. More of a "when?" thread.
>
>Look, this is a little embarrassing...
>
>OK, modern front tyres don't have a whole hell of a lot of tread to
>begin with. And I have real trouble deciding what's legal, and what's
>not when they get worn.
>
>My front tyres tend to "feather" in that the individual tread blocks
>wear on the leading corner, so I end up with a tyre that looks pretty
>worn and pretty new at the same time.
>
>So how do you judge when it needs changing?

With the ZRX it's when the bars start to wiggle at 35mph because the
tyre is so scooped.

With the 10R it's when they're about half worn, because I transfered
the last half used front over to the ZRX and stuck a fresh one on.
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