question about tires - Chicagoland Sportbikes
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post #1 of 4 (permalink) Old 06-28-2004, 12:56 PM Thread Starter
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question about tires

How many heat cycles should you get out of a tire before it's useles?

and what do you consider a heat cycle?
a track session?
a hard day on the street?

Brian (F.K.A. Crazy)

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post #2 of 4 (permalink) Old 06-28-2004, 01:14 PM
Its all about coner speed
 
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I'm clueless also.

But I just talked to shawn @ 4&6.

He said if for both street and track go with 208ZR

track only 208GPa.

I don't know how long it will last.

Diablo corsa sound better than 208ZR.

Could anyone also throws some comment

Damn I wanna ride again!!!!!!!!!!

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post #3 of 4 (permalink) Old 06-28-2004, 02:56 PM
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The Diablo Corsa is the tire to go with if you riding both the street and track on the same bike and don’t have an extra set of rims. I love those tire for my street bike that I ride occasionally on the track when my race bike has problems. They are very close to race tire grip but don’t heat cycle or wear as fast.

The heat cycle question depends on the brand of tire. Michelin race tires handle heat cycles better than most of the others. A heat cycle is any time the tire heats up and cools down. So if you do not have tire warmers ever session is a heat cycle. You will not want to run race tires on the street they will have less grip than a street tire, because you will have a hard time building enough heat in the tire to make them grip right. They are designed to operate at a much higher temperature than street tires. Plus they suck on wet pavement.

Brent
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post #4 of 4 (permalink) Old 06-28-2004, 02:58 PM
 
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As a slow B guy, I ran 208ZRs most of the year last year. I never had a slip when they were warm, but coming off of bridgestones I wasn't real happy with their cold grip on the street, although slides were predictable. They got real chewed up after a couple days even at my sedate pace, and I always changed them out with lots of tread, but they just looked beat up.

I also used 207RRs for a few days before switching to Diablo Corsas the last few track days. The corsas seem to be wearing a lot better than the 208ZRs did, while gripping better cold. I don't ride hard enough that hot grip is an issue with any modern tire, so I really can't comment on that.
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