08silvercbr

With the 209 being a dot race, which I didn't know, do they need warmers, and can you use them on the street?

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08silvercbr

Literbike. 190/50/17 rear and 120/70/17 front. I'd really like to get my suspension done and even talked to someone a few months ago who said 800 but didn't go into detail. This last year I paid cash for my new bike, a 5000 engagement ring + the band still to come, and now jointly we are paying 7000 for a wedding cruise in the spring (that I purposely planned around the event ) What I'm saying is with paychecks being almost nonexistent these days I'm lucky to even be doing track days next year. I have to work with what I have in the suspension area.

Someone suggested take off's before. I guess I didn't get it. If they are take offs how much tread is left?

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ScottieDucati

Tread all depends on how much they've been used, also tread may not matter depending on heat cycling.... save yourself the effort and don't get your head spinning too much trying to figure the tire thing out!! For racing, wear / heat cycling is more of an issue... for track days I frequently ride slicks until there are NO wear indicators showing (usually only on one side of the tire depending on which way the track goes). Most track day orgs require 75% tread, which is usually more applicable to street tires than track tires, track tires (DOT tires, the ones with a tread pattern) are rarely ever worn through the tread, mostly they get shagged or blued / hard.

In any event, I have 1 set of Pirelli slicks and 1 set of older DOT race tires. I'll have to take a peek at em, because the DOT's are 190's but older, so if they're not in good enough shape by next year I wouldn't want to put anyone else on em.

Bottom line though, I'm a Pirelli race tire vendor for New England and get my hands on take-offs freqently. We almost always tell riders to take em home, but I'll gladly keep an eye out for a fresh set of 120/190's for you. Either slicks or Diablo Supercorsas.. whichever come my way.

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08silvercbr

Red I apologize. I'm just trying to sort through this stuff. It seems like 80% of the people in my life right now are regularly giving me a hard time. (not from here)

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ScottieDucati

Isn't that what "motorcycling forum" really means? Friends giving friends a hard time? It usually translates into real life too

But seriously, if you need a lead on some take-offs, I'm more than happy to help a fella in need.

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08silvercbr

So basically the slicks and supercorsa's will require warmers for sure, and the corsa III's will not, and should not be used even to prevent more heat cycles?

If you can find me some I'd gladly appreciate it

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08silvercbr

If not could I buy some new ones from you too, or is that exclusive to New England?

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RedRider

08, no need to apologize. As you probably realize by now, there are a lot of knowledgeable people here that won't steer you wrong (unlike many other sources). We aren't trying to give you a hard time...we just want you to get the most out of your bike and the track. Buy some decent, inexpensive tires like the DCIII's and save the rest of your money for your wedding (not tire warmers).

HondaGalToo

What he said.

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abtech

If you aren't racing, you don't need warmers.

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ScottieDucati

Even on slicks / supercorsas you don't need warmers. Heat cycling is not as important as it used to be (5+ years ago), as the rubber compounds are more complex and more resistant to heat cycling. The benefit of a sylica based tyre like DCIIIs are they don't require as much heat to reach operating temperature, however with a Slick or Supercorsa type tyre, you can easily srub some heat into them with an easy out lap (or two, depending on the track). All warmers do (for all intents and purposes) are to get the tire up to temp so you can go full on from the drop of the flag. You really can't go wrong, and even for myself (expert licensed racer of 7 years and counting) I wouldn't hesitate to run trackdays on DCIII's, or slicks, or supercorsas. If I weren't in the tire business, I'd likely run DCIII's as they will get a bit more mileage and are a bit more flexible as far as conditions go, e.g. you won't be out of luck if it's cold out, or damp on the track.

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08silvercbr

Ok will do. What is the optimum (hot/cold) pressure for the Corsa III? Also what is the difference between the 190/50 and the 190/55? All I know is its some kind of a ratio of the 2 numbers together affecting the height of the sidewall. Which do I want, and why?

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SheepOfBlue

190/50 is 190 wide with the height being 50% of that. It defines the profile. A 55% will be taller with a sharper profile. This raises the back and make for a steeper turn in (over simplified explanation though as the shape can vary). I would stick with stock until you get used to setup more.

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Hammer

You will need to see what will fit on your bike first.

What is the circumference of your rear tire that is on there now?

And how much clearance do you have left between the tire and the swingarm and bodywork at the outer radius (crown) of the tire?

Now you will need the circumference of the tires you want to run and see if you have sufficient clearance.

The 190/50 is a good tire but is slower to turn in, but has better exit grip. And the 180 series tire turns in better but has less exit grip than the 190/50.
The 190/55 provides both.

But the difference is not that noticeable.

But not all bikes will readily accept the taller profile of the 190/55.
If you do this a belt sander works wonders on swingarm clearance issues.

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08silvercbr

more exit grip is always a bonus. I have about 8 mm clearance from the chain. 1 cm (10mm) to the left, and 2 1/2 fingers to the front swingarm brace. Belt sander aye? You've been spending too much time spying on your neighbor. Actually the chain is the closest problem, and I can fit the tip of my finger between. Also how much extra recipricating weight does the bigger tire add? What size are you running on your 600?

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08silvercbr

oh, and my stock size is 190/50

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Hammer

The side clearance will be fine as you are not going wider, but taller.

The belt sander story is better told in person.

That may be enough clearance, but it will be close taking into consideration tire growth at speed. But like I said you will have to check. Scottie may be able to get you the dimensions you need to check for sure.

I am running the Dunlop 211 NTEC 190/55.

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CanyonCarver

Other.

Dunlop NTEC slicks. 'Cause they stick until the they're gone. Really just don't go off. And they slide predictably, with a nice smooth hook-up as they come back. No snap. Expensive, but worth it.

D209s for treaded. Haven't tried the 211s yet.

TornadoB8

You can get the NTec in 209 or 211. The 211 is the newer version. I started last season with 5 sets of 209 and then went to 211 after they were gone. I can't speak to profile diferences much other than to mention that the Dunlops come in 190/55 for the rear and that is a little taller than the 180/55 Michelin I ran previously. Changes in geometry should be taken into account when deciding on tires. Shop around for suspension work like you would anything else. There are plenty of good tuners. I prefer somone who is regional, meaning they are easy to access trackside if I have a problem.

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DEPO

Get great suspension set up and making sure the bike is set up for you.

Get the 209s.... you will not regret and it is the best tire for 300 bucks around.

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Unreal

I run PRCs because the Michelin man is awesome. Our local Michelin tire vendor is just a great guy and very helpful. I've ran the Dunlops too and they worked great (208s and 209s) but I like michelins more overall.

CBR929RE

2CTs FTW! 5 trackdays last year and maybe 1-2000 street miles and the edges are very close to the wear bars (on the rear at least, not sure of the front) but the middle has tons of tread left.

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seamus

NESBA's Pirelli prices are great. You can get a set of SuperCorsas for less than you'll pay for a set of CorsaIIIs anywhere else.

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08silvercbr

Yeah, I'm sure all the manufacturers have tires I'd be happy with. 2c's, 209's, corsa III's. Thats why I asked about pricing on the corsa III's. I'll probably end up going that way. I'm seeing $330ish + shipping. RTS has that special for $300 on the 209's but I didn't realize they were a dot race, so that means I probably shouldn't use them on the street. Although I don't do much on the street anymore its nice to have that option. If the corsa III's stick good like several say, I have that extra ability to take a ride on the road. Any idea on NESBA's pricing Seamus? I'm not a member, but I'm sure I can find a hook up

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Hammer

Squids will ride on anything with tread on it, you will be fine.

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RedRider

Here's NESBA's 2008 price and spec sheets...

Attached Files

	NESBA Pirelli Tire Prices.pdf (628.8 KB, 16 views)
	2008PirelliNesbaFlyer.pdf (325.2 KB, 10 views)

08silvercbr

Dang... those are good prices. Now how do I get those prices?

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Making pennies bleed dollars since 1978

RedRider

Join NESBA.

HondaGalToo

Yup, as it says on the brochure, gotta be a member to purchase.

NESBA : Northeast Sports Bike Association

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BobcatSig

No NESBA dates at Miller this year ... so unless they have yet to confirm, no NESBA for me this year.

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