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Discussion Starter #1
Greetings all and Happy New Year.
Just wondering if any SF848 owners have fitted anything other than the OE Pirelli Rossa Corsa in the odd 180/60/17 size?
I have been happy with the overall steering and grip from this tyre but would like something which lasted longer than 3k without too much trade off.180/55 or 190/50 would give lots of choice!
Any feedback would be appreciated


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Man, so far I've made it about 6300 miles on my original set of Pirellis, but I do love Metzelers. They've always felt more grippy to me. That might be the next tire for me as well :)
 

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That's weird considering they're made by the same company and use similar compounds for their tires...
 

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Discussion Starter #5
I cant dissagree with what Neevsey says in the video but I reckon Ducati must of decided to use the 180/60 size for handling reasons as it is 9mm taller than a 180/55 and i am no suspension expert but I would reckon 9mm on the ride height would be noticable.Maybe the more curved shape of the tyre gave the faster steering that Ducati wanted.
I will more than likely replace it with the Rosso Corsa again.I just wish there was a choice of manufacturers of that size and a tyre which would last a bit longer before squaring off enough to upset the turn-in steering.
Thanks for the feedback guys!
Was hoping for a post from someone who was/had run a 180/55 rear to hear their opinions.
Spoons


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I've got a Rosso II in 180/55 mounted now, the oem rosso corsa was only good for 2400 miles but felt really good pushing it hard.

The Rosso II is ok, but was only good for 3200 miles so I've got another rosso corsa 180/60 coming to replace it. I just don't think the extra few miles of wear offsets the slower turn-in and slightly less grip overall of the Rosso II's.

I'll just have to add a zero onto the number in the "tires" column in the budget, but it is a small price to pay for the nirvana that riding these brings!;)

Side note: I did NOT experience any issues with the DTC when I went to the 180/55 although I did reduce it from level 3 to off as the miles built up and I gained confidence in the bike closer to my limits.
 

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Discussion Starter #7
Nice feedback 3-stroke! Just what I was looking.I think you have hit the nail on the head.... if it ain't broke don't fix-it.
I have had nothing but 100% confidence on the pirelli's in the dry and they handle very securely.My only concern is that being in Ireland it rains a lot and the tyres dont exactly have a lot of tread for water displacement.However I take it quite sensibly in the wet and with the TC set to 5/6 haven't had anything too scarey!



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My original tire lasted about 5,500 km. I replaced with Rosso II as local shop was out of stock.
The Rosso II is not a bad tire but for the ST848 will not be my replacement choice any more. I used it on the road and track and i replaced it by a Rosso Corsa before doing 4,000 km. Wear was okay but not the tire for the ST848 - in my opinion.
On the road was giving a noticeable vibration at high speed - +200kph no matter what suspension setting i used or air pressure (26 to 34 psi). Grip is okay but far from the Rosso Corsa.
The Rosso Corsa is a great tire for road and eventual track days - lots of grip. No vibration at high speed +250 kph.

If i cannot find replacement, i'll go with 190/60

JM
 

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250 km/h translates to 155.343 mph. I can't believe a naked 848 is capable of achieving a speed like this. I don't think even 1098 will do it.
 

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250 km/h translates to 155.343 mph. I can't believe a naked 848 is capable of achieving a speed like this. I don't think even 1098 will do it.
Hello,
Please see link
http://www.ducati.ms/forums/1483577-post65.html

I think by the end of the clip.

My max speed so far is 260 kph in almost no wind. My friends who ride the STS had achieved over 280 kph. Regardless and i agree only for short time, over 210 the wind pressure is just too much for more than few minutes.

But the ST848 shines and high in the corners.


Cheers, JM
 

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^^ That's a great pic of your dash saying 252. Very impressive on the SF 848. I see you have a little windshield. I've seen 155mph and it was still pulling. That's a SF 1098. Without the windshield I have to put my head down and sort of turn my head to the side, so I can't see that well, so I don't try that too much unless conditions are just right. I've been in heavy dense windy wet coastal air where 110mph felt like I was getting punched in the head. Probably don't have too much of that over there in the Sand Box. Someone here said they hit 168mph. Ga Daaannng...
 

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^^ That's a great pic of your dash saying 252. Very impressive on the SF 848. I see you have a little windshield. I've seen 155mph and it was still pulling. That's a SF 1098. Without the windshield I have to put my head down and sort of turn my head to the side, so I can't see that well, so I don't try that too much unless conditions are just right. I've been in heavy dense windy wet coastal air where 110mph felt like I was getting punched in the head. Probably don't have too much of that over there in the Sand Box. Someone here said they hit 168mph. Ga Daaannng...
I think you should remove the factory 8% adjustment from Ducati. The 155 should be more like 142 mph, witch is still f... fast lolllllll :think:
 

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Does anyone know how to accurately calculate the overall diameter of a tire? Is the overall diam. of a 180/60r17 the same or close to the 190/55r17? If so then how would the handling/tc characteristics change?

Just asking so that we might have an option.
 

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Does anyone know how to accurately calculate the overall diameter of a tire? Is the overall diam. of a 180/60r17 the same or close to the 190/55r17? If so then how would the handling/tc characteristics change?

Just asking so that we might have an option.
You don't need a 190. The SFS does not need a 190. It does look cool though :D
 

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180/60-17 190/55-17
Sidewall. 4.3. 4.1
Radius. 12.8. 12.6
Diameter. 25.5. 25.2
Circumf. 80.1. 79.3
Rotat/mi. 791. 799
Speedo diff. 101.1%
Speedo diff at 60 mph. 59.4
 

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180/60-17 190/55-17
Sidewall. 4.3. 4.1
Radius. 12.8. 12.6
Diameter. 25.5. 25.2
Circumf. 80.1. 79.3
Rotat/mi. 791. 799
Speedo diff. 101.1%
Speedo diff at 60 mph. 59.4
Hello,
Could you please include the Diablo Supercorsa SP 180/55 - 17

Cheers, JM
 

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180/60-17 180/55/-17
in inches
SIDEWALL 4.3 3.9
RADIUS 12.8 12.4
DIAMETER 25.5 24.8
CIRCUMF 80.1 77.9
ROTATION/MI 791 813
SPEEDO DIFF 102.9%
SPEED AT 60 MPH 58.3
 
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