180/60 to 190/55 or even 190/60 tires - ZX6R Forum
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post #1 of 10 Old 04-12-2017, 09:22 AM Thread Starter
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Question 180/60 to 190/55 or even 190/60 tires

Hello all, I'm tired of struggling to get Pirelli tires and I think I'm going to move to Dunlops. Dunlop doesn't make a 180/60 so I would have to bump up to the 190/55 Slicks or the 190/60 211GPAs.

My suspension was setup to run a 180/60 tire. Am I looking at a drastic change to go from 180/60 to the 190/60 tire? I imagine there wouldn't be too much of a difference between the 180/60 and 190/55 but I want to make sure before I pull the trigger. Would it be a good idea to get suspension reworked?

Also, I keep seeing people say the GPAs are better than the slicks? Or is this more of a personal preference type of thing?

I appreciate the insight!

Last edited by RedAndBlack; 04-12-2017 at 09:25 AM.
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post #2 of 10 Old 04-12-2017, 10:19 AM
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If your bike is set up for your weight and riding style...... I don't think that's going to change in a major way as a result of changing tire foot print by something less than 10 mm. the difference in sidewall height going from the 180/60 to the 190/60 is going to be 6 mm taller sidewalls. 22mm, if you add in the sidewalls on both sides, plus the wider tire carcass..... presuming the arc of the tire carcass remains exactly the same you have almost 0.8" more tire.

It MIGHT be a bit more 'wiggly'.... but I seriously doubt it. Tire pressure, tire temp, and tire compound are going to be much bigger factors in how it would feel.
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post #3 of 10 Old 04-12-2017, 10:51 AM
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I was told the Gpa is the same compound as the slick but with sipes.
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post #4 of 10 Old 04-12-2017, 10:55 AM
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get the 190/60
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post #5 of 10 Old 04-12-2017, 01:01 PM Thread Starter
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Quote:
Originally Posted by Gawernator View Post
get the 190/60
Reasoning?

I always thought a slick was better. Track tires are so confusing.
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post #6 of 10 Old 04-12-2017, 01:05 PM
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Quote:
Originally Posted by RedAndBlack View Post
Reasoning?

I always thought a slick was better. Track tires are so confusing.
Unless it rains, which I found out hard as I crashed in the rain on slicks on Saturday

Dunlop D211GPA Motorcycle Road Racing Tire: Full Set 120 & 190/60

those are 190/60, better sizing... they have more grip.

Dunlop Slicks Motorcycle Road Racing Tire: Full Set 125/190
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post #7 of 10 Old 04-12-2017, 09:03 PM
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Currently I have the 190/60 D211 and the tire is great I went with the med/med+ combo. I did get my suspension done just because I was worried the tire profiles made a difference and if a $40 suspension charge for suspension work done all day would set me at ease I wouldn't bitch about it lol. Currently have about 3 Trackdays in these tires they still look new lol. And he's Gawernator crashed becuse of slicks on a rainy day. Every trackday I've had this yet it's rained! As long as it wasn't pouring I went on the track with the tires and they did fine, on slippery areas definitely don't suggest pushing it. Once I felt it slide I decided not to be in the track lol.
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post #8 of 10 Old 04-13-2017, 05:40 AM
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I believe the 190/55 Dunlop is very similar in size to the Pirelli 180/60. The Dunlop 190/60 will be quite a bit bigger. The nice thing about Dunlop (one of 2 nice things about Dunlop really) is that they're good at providing exact dimensions on their race tire site. Very easy to find for all tires, unlike the other brands that really make you dig for this shit in the depths of the internet!
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post #9 of 10 Old 04-13-2017, 08:00 AM
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Quote:
Originally Posted by the prophet View Post
I was told the Gpa is the same compound as the slick but with sipes.
Quote:
Originally Posted by sbk1198 View Post
I believe the 190/55 Dunlop is very similar in size to the Pirelli 180/60. The Dunlop 190/60 will be quite a bit bigger. The nice thing about Dunlop (one of 2 nice things about Dunlop really) is that they're good at providing exact dimensions on their race tire site. Very easy to find for all tires, unlike the other brands that really make you dig for this shit in the depths of the internet!
^^ this.

Also... If you're worried about rain, the DOT or the slick won't really make much difference. Even the pros switch to rain tires in the rain Sure it has some channels for a little water but the compounds are pretty much the same and they need heat. Get the slick...

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post #10 of 10 Old 04-13-2017, 10:24 AM Thread Starter
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Rain? What's that? SoCal here.

Watch me talk shit and get rain my next track day.

I think I'm gunna go with the slick. Thanks all!
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