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Option for 180/60 - pros/cons vs. 55
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LiterBike Desperado
 
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Option for 180/60 - pros/cons vs. 55 - February 28, 2011, 02:25 PM

i know this question has been asked when going from 50 to 55's. now a Pirelli 180/60 is available and i pose the age old question: what are the pros and cons of choosing a 60 over a 55.


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LiterBike Desperado
 
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February 28, 2011, 03:20 PM

Oh, and the 60's are $40 more. I think my answer is right there since I had no issue with the 55's last year.


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February 28, 2011, 03:57 PM

U can Gansta lean harder plus easier to install. Now if u are 5'3" u be tip toe like crazy.


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February 28, 2011, 04:05 PM

Quote:
Originally Posted by J dubbz
U can Gansta lean harder plus easier to install. Now if u are 5'3" u be tip toe like crazy.
Wat


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March 1, 2011, 10:31 AM

Quote:
Originally Posted by J dubbz View Post
U can Gansta lean harder plus easier to install. Now if u are 5'3" u be tip toe like crazy.
got it. i'm 6' so no "tip-toe" issue there, but i think i'm not gonna spend the money until i break the 55's loose more often. they held steady under my riding pretty well last year. i'm sure they'll start moving around more as i advance.


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March 1, 2011, 10:35 AM

Should raise the rear a little, I don't know that it's going to change a lot, but you'll probably feel the difference on the track, cornering.

If you've got suspension dialed in I imagine you'll have to compensate with ride height adjustment on the rear shock.


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March 1, 2011, 03:53 PM

thx! good point! that's an often looked over fact that ride height needs to be adjusted changes in tire circumference.


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March 2, 2011, 10:42 AM

180/60?? I used to run 190/60's on the R1.. I loved them!


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March 8, 2011, 08:31 PM

I love Pirellies and ran the new 200/60's that just came out last summer. Rich from the Pirellie truck told me not to change the settings. Now i had a shity Endurance race, but at the same time no spin ups or anything.

I normaly Run Pirellies 190/55 and I ran the 190/60 slicks b4.
But to be honest I don't think on the 180's the little extra bit of grip is worth the extra $40.

Now if Pirellis was making 125/70s like Dunlop...that would be worth it.


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March 8, 2011, 11:49 PM

I have seen people run 200/60s on 600s. Is that beneficial at all? I would think it would add a lot of unnecessary rotational mass.


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March 9, 2011, 12:51 PM

Quote:
Originally Posted by vonstallin View Post
I love Pirellies
+1 expensive but the supercorsa sc's have unbelievable crack-tion. i'm addicted! the only weird thing if found about them is the floaty feel of the front-end when the soft carcass starts to flex. i just give'er a little more gas in the corner. haven't low-sided yet.

i tried the supercorsa dragons as a cheaper alternative and spun them up more often. i probably would have been ok with them as they are a great tire if i hadn't already tried the SC-SC's.


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'09 Ducati 848 [CCS/ASRA #134]
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March 9, 2011, 01:07 PM

Quote:
Originally Posted by LoneStar View Post
+1 expensive but the supercorsa sc's have unbelievable crack-tion. i'm addicted! the only weird thing if found about them is the floaty feel of the front-end when the soft carcass starts to flex. i just give'er a little more gas in the corner. haven't low-sided yet.

i tried the supercorsa dragons as a cheaper alternative and spun them up more often. i probably would have been ok with them as they are a great tire if i hadn't already tried the SC-SC's.

you can pretty much dial out most of that...
between adding and subtracting tire pressure and adjusting the fork and shocks you should be good.

Rear.
if you are spinning up the rear and its not your throttle control.
I would either take some air out the rear, or take a click out of the compression on the shock. If your tires are not hooking up it might be to stiff in the rear or the tire presure might be to high.

i run a soft to med rear on the 1000 to keep her planted and griped up..


The front.
if its floaty i would give it a turn of srping preload, or add some pressure to the tires.

Pirellis are soft...and the carcas do flex, but the beniffit is lean angle grip. The Another answer is to run the yellow front (HARD) it do not flex and still have a pretty decent lateral grip. I run hard fronts (yellows) and take the tire presure down about 1 to 1.5lbs.

Even with the bigger Rear tires, if suspension is not set good...it will do the same thing.

The bigger tire is just a small band aid....but she is still going to bleed.


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Last edited by vonstallin; March 9, 2011 at 01:10 PM..
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March 10, 2011, 10:41 PM

Quote:
Originally Posted by vonstallin
The front.
if its floaty i would give it a turn of srping preload, or add some pressure to the tires.
I understand everything else but not certain if I know why adding spring pre-load will reduce float or carcass flex. What's the theory here?

thx for the suspension tips. I'll definitely try them.


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'09 Ducati 848 [CCS/ASRA #134]
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March 11, 2011, 04:04 PM

Quote:
Originally Posted by LoneStar View Post
I understand everything else but not certain if I know why adding spring pre-load will reduce float or carcass flex. What's the theory here?

thx for the suspension tips. I'll definitely try them.

thought about it some. one possibility: more fork spring pre-load raises ride height in the front. takes some of the weight thrown forward off the front wheel. but will negatively affect ease of turn-in though (straight line stability improves) and may no longer be in the preferred sag setup range. it would probably be better to move the forks up in the triples in this case. at least you won't be messing up the sag.

just a guess.


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#2 AMA 1000cc SuperBike Grand National Championship
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My bikes:
'09 Ducati Monster 1100S (Longhorn Edition) [street]
'09 Ducati 848 [CCS/ASRA #134]
'08 Ducati 848 [CCS/ASRA #134]
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March 11, 2011, 10:41 PM

Quote:
Originally Posted by LoneStar View Post
thought about it some. one possibility: more fork spring pre-load raises ride height in the front. takes some of the weight thrown forward off the front wheel. but will negatively affect ease of turn-in though (straight line stability improves) and may no longer be in the preferred sag setup range. it would probably be better to move the forks up in the triples in this case. at least you won't be messing up the sag.

just a guess.

Adding or subtracting will not change the fork ride hight...only a physical move in the tripples will. I wouldnt change the geometry of the bike because of a floaty feel. Raising the forks will make it turn in faster, and at the same time start to move the weight off the rear wheels.

I was saying add a turn or so of preload to stiffen the forks over all to eleviate the floaty feel. You can still comfortably ride/race a tire with a soft carcas/squishy/floaty feel...but if you are not comfortable with it you can try to dial out the feel. besides adding air the soft carcas tire will always be...soft and compress.


If you dont like the floaty feel the only real option is to go to a different front tire.

I ran Pirellis super soft (blue) from 2005 to 2009. It was a little ...wiggley under hard turn one kind of breaking, but those super soft tires with soft carcases grip like hell...

I switched to Yellow (hard) fronts after the Pirellis guys recomended it.
A harder front will break more steadily without the carcas flex and allow for a faster, more precise turn in. But it will not have (most times) the same level of grip as the softer tires... thats why they recomended taking 1-1.5lbs out of the tires.. the yellows use a harder carcas and again the lower pressure will generate a little more heat but also grip more.


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