180/60ZR17 same size as 200/55ZR17

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mrjonnylee

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As the title says the max width and diameter of the Pirelli Diablo Supercorsa SP V2 is the same at W193mm and D656 mm. Im told that the 180 has 15mm more tread up and over the top and is a better bang for buck. The 180 is OE on the 899/959. Its almost tire time for me and figured I would check here for some insight. Cheers!
 
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They are close in comparison but I think most sizing compares the 180/60 on a 5.5" rim and the 200/55 on a 6". You need to be sure of that. Otherwise it could alter the handling characteristics of the bike. Not sure what type of riding you're doing.
 
The 180/60 is designed for a 5.5" rim.

The 200/55 is designed for a 6" rim.

You CAN run a 200 on a 5.5" rim (I have been running a 200/60 Slick on my R6 Superbike for 2 years). But putting a 180 on a 6" rim will not give you the same shape/profile as the 180 on a 5.5" rim.

Personally I feel drive grip would suffer mounting that 180 on a 200hp Superbike with a 6" rim. But then again, it all depends on your purposes. I know lots of guys have put 180's on their Liter bikes just for street riding. You probably wouldn't notice a difference.
 
15mm more tread? i think 1.5 mm maybe...
 
Back before the current tire sizes existed and all the damn Japanese liter bikes got a 190/50 on a 6" rim because it looked 'cooler' than it could actually function, most of dropped back to the 180/55 because it was a better tire for the track. Granted, when the 190/55 became more common we never looked back.

180/55...
 

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To piggy back off this thread... I've been running 190/55 Q3s, and been pretty happy with it. However is there a noticeable difference with the 200? Now that I'm getting better at putting down power coming out of turns at the track I'm wondering if that larger contact patch would do me any good, or should I dismiss it for now as I'm nowhere near as good as the pro-racers and wouldn't use the limits of the 200 tire?
 
The bike will change directions a little slower with the 200, but you can make up for that with some geometry changes. And if you can take advantage of it, you can also make up for it by utilizing the additional drive grip on corner exits.
 
And while we are on the subject, keep in mind that you (read: anybody) cant just throw different tires on there and then make a judgment on them if you havent worked with a good suspension tuner to get the most out of them.

That holds true whether we are talking about different sizes or different brands.

I see it all the time "swapped from _____ to _____ and i had better life and more grip with the _____.....the _______'s suck".

But then you ask them what changes they made to the bike when they went with the new/different tires, and the answer is "I just changed them and went".

People cant just slap on different tires, make NO changes whatsoever, then ascertain if the new tires are better or worse. How can you know if they are better or worse if you havent made the necessary changes to extract the most out of them? Hell some people wont even experiment with different air pressures.
 
Thanks for the insight guys. Having talked to a couple duc guys and experienced techs the consensus is that the 180 and electronics (TC) will have a hard time getting along. Tire swap was easier in the days pre-electronics and my old 999. I like the feel of the 200 and don't need to change for the sake of change. I'd rather put that effort into a better setup with the suspension and geometry.
 
Why a 180 on a 5.5" rim isn't the same as a 180 on a 6" rim has nothing to do with electronics.
 
It has everything to do with the electronics on these bikes. Changing diameter can cause issues with abs and traction control
 
kllrvet said:
It has everything to do with the electronics on these bikes. Changing diameter can cause issues with abs and traction control
Click to expand...

Changing diameter has a impact on traction control and abs yes, But it has a much bigger impact on the physical shape of a Tyre. Hence effecting the characteristics of the bike in a physical way far beyond electronics.
 
I understand that as well, I was just clearing the air that it does indeed affect electronics
 
AntiHero said:
Why a 180 on a 5.5" rim isn't the same as a 180 on a 6" rim has nothing to do with electronics.
Click to expand...

Huh? Maybe you missed the point. It is well documented that Ducati has programmed the traction control very specifically for the OEM tires. I'm sure that minor changes will not make a noticeable difference, but the point is that changing the tire from a 200 to a 180 is significant enough to warrant concerns with how the factory settings are designed to work.
 
^ Yup that is why I ditched the Q3's as the DTC light was freaking out after the center wore down a bit.

Great traction but stiff carcass as usual with Dunlop. I went to the Bridgestone RS10 last fall and like them a lot, as price was better than the Pirelli.

Gonna go back to Pirelli for track day, and then probably back to the longer wearing RS10's

I have had no issues with DTC and the RS10's as they are closer in profile and size to the Supercorsas
 
jjsC6 said:
Huh? Maybe you missed the point. It is well documented that Ducati has programmed the traction control very specifically for the OEM tires. I'm sure that minor changes will not make a noticeable difference, but the point is that changing the tire from a 200 to a 180 is significant enough to warrant concerns with how the factory settings are designed to work.
Click to expand...

i guess you dont switch to rain mode ever as the rain mode was programmed with a totally different tire as per the owners manual. i also assume you only use shell oil and dont change the air filter from stock

just a bad argument you can adjust the tc.
 

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