stupid question - tyre wear?

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diy
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stupid question - tyre wear?

Postby diy » Sun Nov 04, 2012 07:57 am

As an MTBer turned roadie, how do you know when your tyres are worn out. On the MTB its easy because you get more punctures and the tread is gone. On slicks, how do you know when your tyres are worn out?

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craker
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Re: stupid question - tyre wear?

Postby craker » Sun Nov 04, 2012 08:06 am

More punctures...

If the rubber wears through to the casing it's time for new tyres, though I'd be replacing them before this.

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sungod
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Re: stupid question - tyre wear?

Postby sungod » Sun Nov 04, 2012 08:12 am

mainly this ^^^

some tyres have wear indicators
my bike - faster than god's and twice as shiny

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TheCornishMong
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Re: stupid question - tyre wear?

Postby TheCornishMong » Sun Nov 04, 2012 08:24 am

when they're pumped up givet them a squeeze, if the middle feels niticably thinner than the shoulders they're getting close

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ILM Zero7
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Re: stupid question - tyre wear?

Postby ILM Zero7 » Sun Nov 04, 2012 10:19 am

3 good pieces of advice here - i always find it is the puncture frequency that drives a complete change, unless they is an obvious gash
http://veloviewer.com/SigImage.php?a=3370a&r=3&c=5&u=M&g=p&f=abcdefghij&z=a.png
[b]Wiliers: Cento Uno/Superleggera R and Zero 7. Bianchi Infinito CV and Oltre XR2

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Monty Dog
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Re: stupid question - tyre wear?

Postby Monty Dog » Sun Nov 04, 2012 10:25 am

I very rarely wear a tyre down to the canvas - frequency of punctures or a big gash is what usually consigns them to the bin.
Make mine an Italian, with Campagnolo on the side..

tiredofwhiners
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Re: stupid question - tyre wear?

Postby tiredofwhiners » Sun Nov 04, 2012 10:34 am

Monty Dog wrote:I very rarely wear a tyre down to the canvas - frequency of punctures or a big gash is what usually consigns them to the bin.


+1

And as we live in the same town I know exactly what you mean. Picked up another yesterday in a new GP4000S even though correctly inflated that morning, on the route up near Preston Candover.Its not the flint shards that are the immediate problem, but the mud on the roads that allow the flint to be kept in a nice upright position to dig into your tyres.

FlacVest
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Re: stupid question - tyre wear?

Postby FlacVest » Sun Nov 04, 2012 20:40 pm

When you hit glass and get a puncture; you don't want them to wear too thin, as there's less rubber holding that tire together; a piece of glass or something can then do a LOT of damage to that tire, that simply wouldn't happen if it were new.

If you ride on perfect roads or trails, then you won't have many problems with flats, but if you ride in the street or something, having new, awesome tires is a must, as you can't always swerve out of the way.

Continental GP 4000s. That's what you need. Go get some.

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diy
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Re: stupid question - tyre wear?

Postby diy » Mon Nov 05, 2012 09:27 am

Thanks for the advice - I was looking at the GP4000 since I currently have UltraSports front and rear. my turbo has probably worn out the rear, so I was thinking of switching the front to rear and then replacing the front with the GP. That will get me through the winter and then I can put another GP on for the spring. Ultimately I am probably going to change my wheels anyway, so will end up with a turbo specific back wheel.

FlacVest
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Re: stupid question - tyre wear?

Postby FlacVest » Mon Nov 05, 2012 14:00 pm

diy wrote:Thanks for the advice - I was looking at the GP4000 since I currently have UltraSports front and rear. my turbo has probably worn out the rear, so I was thinking of switching the front to rear and then replacing the front with the GP. That will get me through the winter and then I can put another GP on for the spring. Ultimately I am probably going to change my wheels anyway, so will end up with a turbo specific back wheel.


Cool cool; I opted for the 4000's because they have a color range that makes things look a bit better, IMO of course.

The 4000S has the black chili compound in it, that basically improves the tire a bit across the board; only comes in black though.

But yea just read up on the tires, they're getting great reviews through and through.

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wilo13
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Re: stupid question - tyre wear?

Postby wilo13 » Mon Nov 05, 2012 15:16 pm

diy wrote:Thanks for the advice - I was looking at the GP4000 since I currently have UltraSports front and rear. my turbo has probably worn out the rear, so I was thinking of switching the front to rear and then replacing the front with the GP. That will get me through the winter and then I can put another GP on for the spring. Ultimately I am probably going to change my wheels anyway, so will end up with a turbo specific back wheel.


I think that is wise, turbo's destroy your tires. I have a dedicated turbo wheel so when I replace tires on my bike what I usually do is put a new tire on the front wheel. Put the old front on the back and put the old back one on the tubro wheel. For winter though I would suggest the Conti 4seasons. I love the GP4000s tires but they 4seasons just give you that little more puncture protection during winter and they are not that much heavier. They roll very well too.
Carrot cake or Flapjack?

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Paul 8v
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Re: stupid question - tyre wear?

Postby Paul 8v » Mon Nov 05, 2012 19:32 pm

Continental do a trainer specific tyre if you're looking at a turbo specific rear wheel. Utilising an used tyre is cheaper though ;-)
http://www.wiggle.co.uk/continental-hom ... ding-tyre/

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diy
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Re: stupid question - tyre wear?

Postby diy » Mon Nov 05, 2012 21:57 pm

Been looking to retire my ritchey ds alloys and replace with a carbon clincher, so ill or probably just run the ultra sport for a bit on the rear until I source the carbon wheels and then swap them over as necessary.

ChrisAOnABike
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Re: stupid question - tyre wear?

Postby ChrisAOnABike » Mon Nov 05, 2012 22:33 pm

I've been wondering the same thing as the OP. I've done 350 miles since they (and the bike) were brand new, and they don't look much different apart from a couple of minor nicks.

What sort of mileage would you expect from a pair of tyres?

Mine say Giant 'Flat guard' (wtf??) 700x23c PR-3 on the side - they came with the bike.
Is the gorilla tired yet?

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diy
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Re: stupid question - tyre wear?

Postby diy » Mon Nov 05, 2012 22:41 pm

I would estimate my rear has done at least 4000 probably more

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craker
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Re: stupid question - tyre wear?

Postby craker » Mon Nov 05, 2012 22:53 pm

ChrisAOnABike wrote:What sort of mileage would you expect from a pair of tyres?


I put some schwalbe Blizzards on in march and the back is down to the canvas < 2000 miles. Disappointing really. my theory was 2 x cheap tyres == 1 decent tyre [at £17 the pair I'm probably right].

so to paraphrase keith bontrager: cheap, lightweight, puncture resistant.. choose two.

ChrisAOnABike
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Re: stupid question - tyre wear?

Postby ChrisAOnABike » Mon Nov 05, 2012 22:53 pm

diy wrote:I would estimate my rear has done at least 4000 probably more

Yes, but what about your tyres?
Is the gorilla tired yet?

keef66
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Re: stupid question - tyre wear?

Postby keef66 » Tue Nov 06, 2012 13:05 pm

My rear 25mm Conti 4 Seasons managed about 3500 miles / nearly 5 years. I knew it was squared off and getting a bit low on tread; the last straw seemed to be when they went and resurfaced most of my local routes with that hateful chip seal stuff. Couple of outings and huge chunks of the remaining rubber simply disappeared leaving the carcase showing through. Still didn't puncture, but I wasn't enjoying the idea of riding a bald tyre.

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diy
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Re: stupid question - tyre wear?

Postby diy » Tue Nov 06, 2012 13:23 pm

keef66 wrote:My rear 25mm Conti 4 Seasons managed about 3500 miles / nearly 5 years.


disgraceful - thats about 15 miles a week. ;)

keef66
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Re: stupid question - tyre wear?

Postby keef66 » Tue Nov 06, 2012 16:33 pm

You're right, I'm not clocking up the same annual mileage as Wiggo. Disappointing statistic, but I suspect it's about right once you take out the holidays / business trips / illness absences. Haven't been on the thing for a fortnight due to a vile respiratory infection which I'm struggling to shake off.

Must try harder! :oops:


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