Track tyres - Page 14 - ZX6R Forum
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post #196 of 221 Old 02-19-2017, 08:44 PM
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So I was looking for this thread earlier because I finally bought those Dunlop D211 tires holy shit they stick! Again this is coming from a mid level intermidiate rider haha. I missed the first session at my trackday today but did have some good session after! Unfortunely I had to get them done in the morning which was a total pain in the ass. Ended up with a med compound in the front and med+ compound in the rear, I'm extremely glad I bought these! Can't wait for my next track day!
Awesome. I'm looking to try out the Dunlop GPA's this season.

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post #197 of 221 Old 02-19-2017, 09:19 PM
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Awesome. I'm looking to try out the Dunlop GPA's this season.
They are the newest version so I'm sure they are even better got them mounted and balanced at the track for a good price but next time I'll do it myself since I have every thing I need now for tire changes. Let me know if you need tire changes soon!

Are you going to start running warmers too?

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post #198 of 221 Old 02-19-2017, 09:45 PM
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They are the newest version so I'm sure they are even better got them mounted and balanced at the track for a good price but next time I'll do it myself since I have every thing I need now for tire changes. Let me know if you need tire changes soon!

Are you going to start running warmers too?
No warmers. I'll just ride 1 to 2 laps to warm up.

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post #199 of 221 Old 02-20-2017, 04:47 AM
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No warmers. I'll just ride 1 to 2 laps to warm up.
I would strongly urge you to reconsider that once you go to a full on race tire like the GPA. We call them "Dunrocks" here because although they have very good grip when hot, they are literally like riding on ice when cold. Absolutely zero grip.

Anyway, just a PSA. If you choose not to use warmers, take extra time to get your tires up to temp.
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post #200 of 221 Old 02-20-2017, 05:29 AM
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I would strongly urge you to reconsider that once you go to a full on race tire like the GPA. We call them "Dunrocks" here because although they have very good grip when hot, they are literally like riding on ice when cold. Absolutely zero grip.

Anyway, just a PSA. If you choose not to use warmers, take extra time to get your tires up to temp.
I second this. I've seen people crash in the first lap when not using warmers even though they said "I'll take it easy".

If you use GPA's, you should use them with warmers. Also a lot of people think that 1 or 2 laps is enough to get a set of tires from 70-80 degrees or whatever outside temperature may be, to fully hot where they should be (160-180). That may be the case for a really fast guy going at race pace, but you can't go that fast on cold tires. There's a really fine line between not going fast enough to actually put a decent amount of heat into the tires vs going too fast to where you exceed their grip. I always get a chuckle at the people who go out and do a warm-up lap thinking they're going to heat up their tires but they're going slow as balls...like 20-30 seconds slower That doesn't do anything. You might raise the tire temp by a few degrees at that pace, nowhere near where you should be at. And yes, I was that guy years ago. I wasn't on race tires, but the BT-003s were like a high performance street tire and I did a lap to "warm up", which was at really slow pace, and then I hit it after that....first turn, crashed. Front tire just gave up on the brakes. That's how the Dunrocks will feel like too.

The right way to do it is hard braking and hard accelerations when upright. Don't lean too much. But still it takes a bit of time to get your temperature up. I really suggest the use of tire warmers if you're dealing with race tires, regardless of DOT or slicks. With tire warmers I still do warm-up laps, mostly to get my body warmed up, but my pace is usually only about 3-5 seconds slower than the best I can do. On cold race tires you would crash if you attempted to do that.
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post #201 of 221 Old 02-20-2017, 10:13 AM
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For the cost these are just fantastic. I slap them on before the riders meeting and usually before my first session they are good to go. My girlfriend will unplug them depending on how long the riders meeting goes in the morning. Used them about 10 track days last year and had zero issues with them. No burn throughs or velcro tearing off. For the price you simply cant find better warmers.

STG Single Temp Tire Warmer - Sportbike Track Gear
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post #202 of 221 Old 02-20-2017, 10:19 AM
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I'll stick with either Q3's or whatever hypersport tire will be on sale this year then. Using warmers would be a pain since I'd have to buy the warmers and a generator. When I get to middle group A I will reconsider tire options.

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post #203 of 221 Old 02-20-2017, 10:23 AM
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I'll stick with either Q3's or whatever hypersport tire will be on sale this year then. Using warmers would be a pain since I'd have to buy the warmers and a generator. When I get to middle group A I will reconsider tire options.
I usually just bum power from another rider as long as they dont mind. In the cases where they do, I have a converter in my jeep that I use and it works just fine for the warmers and air pump but I have to leave the jeep running while the warmers are being used out of fear of killing my battery.
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post #204 of 221 Old 02-20-2017, 10:24 AM
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The right way to do it is hard braking and hard accelerations when upright. Don't lean too much.
This, right here, warrants a sticky somewhere. Tires get up to temperature by flexing the carcass which happens a LOT more under hard braking than it does by cornering. Rolling around a track does almost nothing to warm up your tires, and if you are on a race compound you can actually lose heat if you are not pushing them hard enough.

This is why you always see people coming up to the grids and braking so hard that they pick up the rear of their bikes...its forcing the tire to flex and keeps/builds heat in them.

Also, since this is a tire thread I wanted to take a moment to talk about the new(ish) Pirelli "Wet" tires.

These are about a half way point between full rains and DOT tires and fill a role that I felt was really missing in tire lineups. Where I race it almost always seems to be wet, but not raining. Either it rained earlier in the day and has been drying (but not yet dry) or it is drizzling but not enough to put down a film of water. Under those conditions DOT tires are too slippery and full rains get overheated and shred to pieces.

The wet tire is a perfect choice for these conditions, and as far as I know Pirelli is the only brand that has them (so far). Just as a case in point, last year we had an amateur racer lap Eric Wood (one of the fastest guys on the track) during a race. Eric was on Dunlop rains and Cole (the amateur) was on Pirelli Wets. He was able to go FOUR SECONDS a lap faster than this top level expert.

All about having the right tool for the job.

I wouldn't really recommend these for track day riders as most of the times if the conditions are right for wet tires, it will either be fully wet or fully dry by your next session. Probably not worth changing tires. For racers, this can mean the difference between a points victory or not.

So, in summary:

DOTs/Slicks: Incredible dry grip/ very poor wet grip
WET tire: medium dry grip / medium wet grip
Rain Tire: poor dry grip / very good wet grip

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post #205 of 221 Old 02-20-2017, 10:36 AM
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For the cost these are just fantastic. I slap them on before the riders meeting and usually before my first session they are good to go. My girlfriend will unplug them depending on how long the riders meeting goes in the morning. Used them about 10 track days last year and had zero issues with them. No burn throughs or velcro tearing off. For the price you simply cant find better warmers.

STG Single Temp Tire Warmer - Sportbike Track Gear
I have MJ Moto warmers, and Biketek (those I got used). I've had the MJ Moto set for about 2-3 years now. They sell for $170 new or so. They're not the best as far as heat, but they do a good job. Never had any issues with mine so far. They're single temp obviously. I put my warmers on my bikes early in the morning before the riders meeting and they stay on the whole day. So that's only 1 heat cycle on the tires. They're either baking wrapped in the tire warmers or they're being used on track and which case they're still hot. I even leave them on during lunch because they don't get hot enough to where they're going to ruin the tires. Best they get is probably around 160-170 degrees I'd say.
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post #206 of 221 Old 02-20-2017, 10:39 AM
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Just as a case in point, last year we had an amateur racer lap Eric Wood (one of the fastest guys on the track) during a race. Eric was on Dunlop rains and Cole (the amateur) was on Pirelli Wets. He was able to go FOUR SECONDS a lap faster than this top level expert.

All about having the right tool for the job.

I wouldn't really recommend these for track day riders as most of the times if the conditions are right for wet tires, it will either be fully wet or fully dry by your next session. Probably not worth changing tires. For racers, this can mean the difference between a points victory or not.
That's impressive! I'm totally sold on right tires for the right conditions. Last year in September was the first time I ever rode on rain tires in rainy conditions, ever. I was totally blown away by their performance. Granted everyone else out there was on either street tires or DOT's, I was on my little 500, with 40-hp, and early on in the day I was over 20 seconds faster than the next guy on the list lol. By the time the rain stopped and track was just wet but drying fast, I was still about 10-12 seconds faster than guys on 600/1000s, simply because of the tires.

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post #207 of 221 Old 02-20-2017, 12:00 PM
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That's impressive! I'm totally sold on right tires for the right conditions. Last year in September was the first time I ever rode on rain tires in rainy conditions, ever. I was totally blown away by their performance. Granted everyone else out there was on either street tires or DOT's, I was on my little 500, with 40-hp, and early on in the day I was over 20 seconds faster than the next guy on the list lol. By the time the rain stopped and track was just wet but drying fast, I was still about 10-12 seconds faster than guys on 600/1000s, simply because of the tires.
rain tires are simply amazing. It is one of those things that you just don't know until you have experienced it for yourself. I can ride at about 70-80% in the rain.
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post #208 of 221 Old 03-22-2017, 09:36 AM
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I'm hoping someone can help me out with tire choice for this coming season. I took a hiatus from the track for the past 2 years and need to replace the Supercorsa SC2 front and SC2 rear on my ZX6. I was able to run several track days on the supercorsas and they are coming off from age rather than wear. I also do occasionally ride this bike on the street but only if the conditions are right.

I don't run warmers and I'm concerned that with a slower pace now coming back I might want to run a street tire so I was thinking about the rosso corsa. I ended up on the supercorsas as the rosso II's I was using were slipping too much as my paced picked up. The rosso corsa seems like the step between the supercorsa and rosso II.

The tire vendor at the track has the supercorsa and I'd rather support them then order online. Also from what I've read it seems like more go with an SC1 front and SC2 rear.

Any advice on which to go with? Part of me says the supercorsas again but I over analyse over think everything.

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post #209 of 221 Old 03-22-2017, 07:37 PM
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I'm hoping someone can help me out with tire choice for this coming season. I took a hiatus from the track for the past 2 years and need to replace the Supercorsa SC2 front and SC2 rear on my ZX6. I was able to run several track days on the supercorsas and they are coming off from age rather than wear. I also do occasionally ride this bike on the street but only if the conditions are right.

I don't run warmers and I'm concerned that with a slower pace now coming back I might want to run a street tire so I was thinking about the rosso corsa. I ended up on the supercorsas as the rosso II's I was using were slipping too much as my paced picked up. The rosso corsa seems like the step between the supercorsa and rosso II.

The tire vendor at the track has the supercorsa and I'd rather support them then order online. Also from what I've read it seems like more go with an SC1 front and SC2 rear.

Any advice on which to go with? Part of me says the supercorsas again but I over analyse over think everything.

Thanks, Chris
What group are you running in? I personally will never run DOT race tires again without warmers. The rosso corsas are awesome, they are the only street tire I have ridden on the track and have never failed me. They also come in a 180/60
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post #210 of 221 Old 03-23-2017, 04:57 AM
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What group are you running in? I personally will never run DOT race tires again without warmers. The rosso corsas are awesome, they are the only street tire I have ridden on the track and have never failed me. They also come in a 180/60
The organization I run with has has 3 or 4 groups depending on the track. Black, blue, yellow and red. Black being the fastest. Before my time off I was running in the black group and just took it easy the first two laps to let the tires warm up. I do have a generator so time warmers aren't out of the question.
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