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Forerunner
Posted on Saturday, May 29, 2010 - 05:23 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Just got through installing a new Pirelli Diablo Supercorsa in 190/55 on my Ss.

Nice round profile, higher profile may drop the revs a bit while at highway speeds:


Tons of clearance on the swingarm and belt. Hugger probably won't fit but I haven't had it on since the day I bought her:


Just eyeballing it, the tire doesn't seem to stick out past the rim much.


My CR with stock tire for comparison:


Please spare me the 'incorrect size/handling suffers... blah-blah-blah' ad nauseum.

Wheel removal is just like everyone says, only really need to do the pinchbolt and axle. I went ahead and removed the caliper too since it was only 2 bolts and I didn't want the caliper to mar the wheel due to my clumsiness when I jockeyed her out.

YMMV,
Nels
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Slaughter
Posted on Saturday, May 29, 2010 - 11:51 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

You might try raising the front (dropping the forks in the triples) to compensate for almost a 3/8 rise in rear ride height. That will definitely tend to make the front a bit squirrely on turn-in and especially in braking.

190-55 is a good choice (it's all I use) - but see IF you can level the bike better by raising the front to match (wish ride height was adjustable on the stock shocks)

Oh - and your tires should clear the hugger just fine - even at a "couple MPH" over the speed limit.
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Atomicpunk
Posted on Sunday, May 30, 2010 - 12:02 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Looks nice. I just put a 190/55 Battlax bt016 on the rear of my XB12S. my hugger and belt guards fit fine too, but I have the upper belt guard removed for looks. Handling is great too.

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Andymnelson
Posted on Sunday, May 30, 2010 - 12:45 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

What made you guys all choose a 190/55 over a 190/50? Did you specifically desire the additional height for some reason? Did you get a good deal on that size? Something else?

I'm actually very curious on this! I have often gone to a 190 on my sportbikes...but always a 50 series tire...
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Forerunner
Posted on Sunday, May 30, 2010 - 01:47 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Slaughter - Great info, thanks for the heads-up! Will definitely look into ride height.

Atomic - Belt guards? What are these belt guards you speak of? : )

Andymnelson - Pirelli Diablo Supercorsa is only available in 180/55 and 190/55. I wanted to go bigger so choice was easy. : )

YMMV,
Nels
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Atomicpunk
Posted on Sunday, May 30, 2010 - 11:12 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Andymnelson: I got a great deal on these tires on Craigslist and couldn't pass them up.

Forerunner: Looks like you have a helmet lock installed where your upper belt guard was. (nice)
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Bads1
Posted on Sunday, May 30, 2010 - 11:27 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

As Steve said you can raise your forks. But you can also run a 190/50 instead and not have to do that.
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Forerunner
Posted on Sunday, May 30, 2010 - 11:43 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Atomic,

Damn you've got a good eye!

Yes, I bought a Uly helmet lock and with some barstock aluminum I had onhand made a simple mounting bracket. The Uly lock is threaded (M6 or M8 x 1, can't remember) so a couple of allenhead bolts from the hardware store, a few bucks to the local locksmith to have it keyed to my ignition key and good to go.

I just found R&R'ing the seat and futzing with the cable every time to be a PITA.

One caveat, I always have a bandana with me to put between the helmet and swingarm so they don't scratch each other.

Nels
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Slaughter
Posted on Monday, May 31, 2010 - 12:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I use the 190/55 on the racebike. Good pricing from Pirelli - but it did require some suspension adjustments. Penske rear shock is ride-height adjustable but I still raised the front too. Just took a little homework to get her dialled in. Like the way it handles better now that it's all set up.

As a side note, I don't really think it looks all that much bigger than the 180
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Dmtaft
Posted on Tuesday, June 01, 2010 - 12:59 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Okay so my question to you guys is what is the approximate difference in rear ride height gained on a 190/55 versus a 190/50? I realize this will vary a bit by tire brand/model, but just curious because I wouldn’t mind a hair more ground clearance for my turbo (yeah I realize I could adjust the rear suspension too).
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Fast1075
Posted on Tuesday, June 01, 2010 - 05:20 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Using the Pirelli Corsa III data as an example.
180/55 a diameter of 645mm
190/50 a diameter of 640mm
190/55 a diameter of 650mm

Your tires may be different, but in the case of the Corsa III the 190/50 is actually a bit shorter than the standard 180/55....but the 190's were measured on a 6" rim, while the 180 was measured on a 5.5" wheel...so the actual difference may be less.....and BTW Pirelli lists a 5.5 wheel as acceptable for the 190 size tire...
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Satori
Posted on Tuesday, June 01, 2010 - 08:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Well Based on Fast's numbers

The 180/55 is 25.39 in in height
The 190/55 is 25.59 in in height

so since half that height is above the axle your talking a tenth of a inch in height gain, look at your ruler, hmm eighth of an inch is bigger, but still awfull small.

did the mm to inch conversion here
http://mdmetric.com/tech/cvtcht.htm

not sure if doing it for height really would be worth it

ymmv
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Glitch
Posted on Tuesday, June 01, 2010 - 09:12 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

but still awfull small.
Everything to do with suspension is pretty small.
Small does not mean "little difference"
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Slaughter
Posted on Tuesday, June 01, 2010 - 09:56 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Are those diameters on the 5.5 inch rim and inflated?

Those diameters look more like on their "proper" rim.

Squeeze a 190 down to mount on your 5.5 inch wheel (1125, XB) and it gets "taller" - I'm betting by almost 3/8 inch.

If I recall, the "stock" width on typical 190 wheel is 6 or so inches.

I could be way off on this, never measured. Just took the Pirelli guys recommendations - http://www.ctracetires.com and tuned suspension to suit my own weird preferences. Works well for me. Your Mileage May Vary.
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Fast1075
Posted on Tuesday, June 01, 2010 - 10:04 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Atomic...your bike and mine are identical twins...well they will be after this week...I will be getting a new center tail piece and doing the turn signal delete...now all I will need is a tire to match...I'm gonna try a 190/50 Corsa III while I can still get one..
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Satori
Posted on Tuesday, June 01, 2010 - 11:47 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I know it doesnt take much as far as suspension adjustment, I was just pointing out the minor difference if one was to do it for more ground clearance.

On a similar note, a couple of Uly guys have put on the 190/55 Scorpion Trails, and so far havent seen any complaints as to weird handling.

Ymmv
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Dmtaft
Posted on Wednesday, June 02, 2010 - 12:14 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Oh yeah contrary to how my previous post sounded I certainly wouldn't be doing it just for a height gain, just more curious what the actual gain in height would be. In reality I don't really want to increase my ride height, but like I said before its a trade off since at the same time additional turbo clearance would also be nice, but overall I'll just stick with being careful around speed bumps. My turbo clearance is about the same as the stock muffler.

Otherwise I do like the look of the 190, even if it is just a slight difference.
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Im_joedirt
Posted on Wednesday, June 02, 2010 - 07:36 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

200/55



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Forerunner
Posted on Wednesday, June 02, 2010 - 09:56 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Show-off.

j/k Looks awesome. Is that the Dunlop?

Nels
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Im_joedirt
Posted on Wednesday, June 02, 2010 - 10:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

lol I think so. unfortunately it has Harley Davidson printed on the wall. I think it was off a rocker c.
Wasnt showing off just showing that i think thats as big as you can go with out mods.
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Flyboy
Posted on Wednesday, June 02, 2010 - 11:21 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Slaughter,

How do you like the 190 on the track? I've been debating on trying it, but was concerned about squeezing it onto the 5.5 rim. The other aspect is the increased rotating mass, will rob power, and so far the 180's I've been running have been sticking pretty good.

Back in my R1 and GSXR days, when we switched to using the Dunlop 195's we lost 5+ hp on the dyno....but the traction was worth it. In this case I don't know.
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Slaughter
Posted on Thursday, June 03, 2010 - 12:44 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I swear by the 190. I did drop the rear and raise the front slightly after a couple days sorting the handling.

It SEEMS to work just a little better for me in the power-on exits. Not really a scientific statement because my "improvements" were also after being off the bike for a year after wadding it up. Now that the handling is sorted out, I'm staying with them.

I only run slicks. This is the california desert, the only water we see is in our ice chests. (well, OK.. once every couple years, it'll rain and then lightly enough that we just throw on DOTs and I hand-cut the tread out to the edges)
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Flyboy
Posted on Thursday, June 03, 2010 - 11:22 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

well I may have to try them, thanks for the info.
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Niceguyeddy
Posted on Friday, June 04, 2010 - 12:54 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

190/50 Diablo.
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