Rear tire wear question

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datkin128

datkin128

Joined
Sep 7, 2014
Messages
58
Location
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So I did a trackday at Lightnight on Monday and had a brand new Supercorsa SC2 on my 1199. The tire had never been used. By the end of the track day it looks like I won't be able to pass tech inspection for another day. The rear really got shredded! I guess I was just wondering if that was normal or if that was unusual wear??? I previously ran the stock Supercorsa SP, but this track day was open track and I rode about 181 miles I believe, and it was in the 80's so great track conditions. Just concerned me how I burned through a rear so fast....
 
Datkin, was that you on the red Panigale pitted with your friend on the S1000RR? It's JR with the RC51.

I exclusively use the Supercorsa SP V2 on my RC and get about 4 track days out of a rear. However, after Monday's open track day, I probably only get another track day our of the rear.
 
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The Avidmoto said:
Datkin, was that you on the red Panigale pitted with your friend on the S1000RR? It's JR with the RC51.

I exclusively use the Supercorsa SP V2 on my RC and get about 4 track days out of a rear. However, after Monday's open track day, I probably only get another track day our of the rear.
Click to expand...

Hey Avidmoto, I was on the matte black panigale with all black gear in the pimpin' blue rental van from CC rentals :D

Pics attached thanks to the photo peeps at the track...
 

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Pictures of your tyre would help tremendously....
 
The right side of the tire always gets destroyed at Lightning and Thunderbolt because there are very few lefts. Thunder has 3 and Lightning has only 2! Some guys flip the tire but Roy at Absolute says that's a bad idea because while you are adding more traction and rubber to the right side of the tire you're putting less rubber on the left.
 
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My tire Supercorsa had 5 laps on it and looks a little better. I should be able to get one more day.
 
datkin. I was told the bowl tears that part of the tire up like yours look like.. Maybe replace it they were checking tires hard at tech inspec..

BTW we had a bit of fun out there yesterday.. 3 way battle we had going on. Was wondering if you were on here..

RLB_1669 by Old City Moto, on Flickr
 
datkin128 said:
Here you go... The left side still looks good to me, but the right side is worn down really far.
Click to expand...
That damage looks very similar to an issue I was having at Thunderhill Raceway in California. Mine was a cold tear issue, exacerbated by a very hot track surface and a LOOOOOONG turn 2.

In essence, the hot track surface, plus a long time on the shoulder of the tire, heats up the surface rubber very quickly, but the carcass of the tire is not up to the same temperature yet.. This causes the hot surface to start to in essence peel or break away from the colder rubber and carcass below it.

Were you using tire warmers and if so, what temps were you heating to and how long did you let them cook for?
 
80shilling said:
That damage looks very similar to an issue I was having at Thunderhill Raceway in California. Mine was a cold tear issue, exacerbated by a very hot track surface and a LOOOOOONG turn 2.

In essence, the hot track surface, plus a long time on the shoulder of the tire, heats up the surface rubber very quickly, but the carcass of the tire is not up to the same temperature yet.. This causes the hot surface to start to in essence peel or break away from the colder rubber and carcass below it.

Were you using tire warmers and if so, what temps were you heating to and how long did you let them cook for?
Click to expand...

I was using warmers, but this is only my 2nd time using them. I think the base heat is 140 and the high is 180. I'd set them on high a little before going out, but not sure how long it was.
 
datkin128 said:
I was using warmers, but this is only my 2nd time using them. I think the base heat is 140 and the high is 180. I'd set them on high a little before going out, but not sure how long it was.
Click to expand...
In my opinion, this is a cold tear situation. Give the tires at leas 45 minutes before going out on them. That heats the whole tire to the same temperature all the way through. I think you'll be ok if you do that.

Cheers.
 
80shilling said:
In my opinion, this is a cold tear situation. Give the tires at leas 45 minutes before going out on them. That heats the whole tire to the same temperature all the way through. I think you'll be ok if you do that.

Cheers.
Click to expand...
Shilly,

Do you think this can be cured with warmers? I am going through a lot of tires. I almost wish I were back in beginner group where tires lasted me 10 track days. Almost! ;)
 
80shilling said:
In my opinion, this is a cold tear situation. Give the tires at leas 45 minutes before going out on them. That heats the whole tire to the same temperature all the way through. I think you'll be ok if you do that.

Cheers.
Click to expand...

I don't think I was using them on the high mode nearly long enough!
 
That wear is all about the bowl, that is all. Unless your are in the expert group, you won't get on the edge of the tire in the bowl, and it will wear that section out, especially wicking it up out of that turn. Btw, getting 90ish laps out of a rear race tire on a liter bike is pretty frighten good! 20 to 30 and a racer calls a tire done
 
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The Avidmoto said:
Shilly,

Do you think this can be cured with warmers? I am going through a lot of tires. I almost wish I were back in beginner group where tires lasted me 10 track days. Almost! ;)
Click to expand...
All you can do, is get your tires up to the appropriate temperature and keep them there for around 45 minutes to an hour. What you want to do, is have a uniform temperature throughout the whole tire. It's like cooking a steak... Too much heat too soon and not enough time on the grill, leaves the outside almost burned and the inside cold... The correct amount of heat over an appropriate period makes for a better cooked steak and the same is true for tires...

Obviously, you don;t want to keep the tires on warmers for a few hours, because THAT'S not good either.

Dave Moss has a few excellent videos and podcasts on tires and how to figure out the best way to "tune out" problems with temperature, pressure and suspension settings. Well worth an hour of your time to investigate.

Another thing to consider is that certain tires and compounds just don't do well at certain tracks. I had to give up on the Pirelli Superbike slicks (not the pros's, the actual superbike slicks) at Thunderhill and go to Dunlop UK NTEC's.. problem solved... zero issues with the Dunlops at that track, but I still run Pirellis at all the other tracks I run at.
 
Longer use tires?

So if I did want to opt for a tire that I could get more use out of, is there one recommended that would be good for the panigale? I've heard conflicting things about using non-Pirelli tires regarding the traction control. I've seen the D211's on sale for pretty cheap and almost went that route, but was talked out of it.
 

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