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Ive heard too many unfavorable opinions of the stock Dunlop tires so Im pretty sure im going to pony up for a Diablo rear so I can get that front one for free. Stock is 170-60-17 for the rear, is there any reason it would be worth going to a 180-60-17 to replace it with? The price difference is only a few bucks.

Kevin
 
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I would say that it depends on the size of your rear rim (wheel). I wasn't aware that Ducati used 170 tires out of the factory. I thought that the smaller monsters 600-800 had a 160 on a 4.5" wheel while the 900-S4 had a 180 mounted on a 5.5" wheel. I could be wrong.
I have the smaller 4.5" wheel on mine, and wouldn't go larger than a 170. If you have a 5.5", I'd say go for the larger 180!
 

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Discussion Starter #3
I would say that it depends on the size of your rear rim (wheel). I wasn't aware that Ducati used 170 tires out of the factory. I thought that the smaller monsters 600-800 had a 160 on a 4.5" wheel while the 900-S4 had a 180 mounted on a 5.5" wheel. I could be wrong.
I have the smaller 4.5" wheel on mine, and wouldn't go larger than a 170. If you have a 5.5", I'd say go for the larger 180!

Hmm. Thanks for the info, ill have to go double check the sizes and give that rim a quick measure on the width.

Kevin
 
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If I remember correctly you have a M900i.e.?
170 on 5.5 was stock for me....
I prefer the 170....but it depends on the tire profile somewhat...
I've used both.....it seems a lot of companies are recommending 180's on 5.5 rims. I believe Pirelli does also.
 

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I was talking to the west coast Michelin rep and he told me that a 180 was kind of a waste on a Monster.

According to him, on the stock rim on a stock bike, you'll most likely grind hard parts before you use all of the tire, the bike doesn't have the HP to justify a 180, and it just makes turn in a bit harder.

--Fillmore
 

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Discussion Starter #7
So it seems Pirelli recommends 180's with 5.5 inch wheels, and that a 180 on a Monster is a waste. One vote for, and one against. Im leaning toward the 170 as im not that great of a rider and probably won't ever use a 170 fully anyway.

Kevin
 

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My S4 came with a 180, but I don't know if that was the stock size or whether the previous owner put it on? I know that I use that tire to the edge, and I know that I rode an R6 with a 190 once and the bike wouldn't turn. 180 seems to be the optimum size for me.

-R.
 

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180 is the stock tire for an S4, on the 5.5 rim.

Pirelli shows a 180 for 5.5 and 6.0 rims, and shows a 170 for 5.0 and 5.5.

FWIW, Pirelli says the 170/60 is actually 1/8" taller than the 180/55, with the 170 on a 5.0 rim and the 180 on a 5.5.....
 

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Hey, what are the details on the Diablo offer? I am replacing the rear due to a nail and I'd like to know how to get the front one for free.

Bike came stock with 160 on 4.5 rim. Debating about going to 170.
 

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I think that M900's came stock with 170s. S4s came with 180s. When I was looking into new tires I wanted to keep that "meaty" look. I had 170 pilot sports on them. Pilot sports seem to naturally look really "meaty." After seeing different sizes of various tires up close, I went ahead and got the 180/55 Diablos. They look and ride pretty well. But, maybe it's just because my tires were five years old and beat? Nevertheless, I am happy with the tires so far. The previous month's featured monster had a 180 on it. Most bigger displacement Monsters seem to have 180 on them nowadays. Maybe start comparing the 55 and the 60 series? Keep researching until you find what you are looking for.
 
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