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post #1 of 15 (permalink) Old Apr 17th, 2007, 3:11 pm Thread Starter
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tire question

on my '04kgt, i use 180x55x17 tires on rear. i want to try the metzler 880 marathon touring tires for xtra mileage but it only comes in 170x60x17. can i get by with them and will they fit?
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post #2 of 15 (permalink) Old Apr 17th, 2007, 3:52 pm
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Besides being narrower, that tire is slightly taller also. The contact profile will be different...wider I think. Would be curious to know how the bike handles. Don't see why it wouldn't work. Mileage will be very good. I use them on my HD.

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post #3 of 15 (permalink) Old Apr 17th, 2007, 4:22 pm
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...........dont forget your rating....should check to make sure the rating is within spec....speed and weight...

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post #4 of 15 (permalink) Old Apr 17th, 2007, 10:07 pm
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Anecdotal evidence indicates that the tire is very long lasting at the expense of traction, both wet and dry. If you're going on a long trip and mostly on the super-slab, it should be good. Wet cornering may get exciting.



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post #5 of 15 (permalink) Old Apr 17th, 2007, 10:16 pm
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Quote:
Originally Posted by Razel
If you're going on a long trip and mostly on the super-slab, it should be good. Wet cornering may get exciting.
Hmmm. Before I bought my Beemer I happened to see some guy at a Road Rider back parking lot sale with a two tone K, and I noticed he had ME880's on it. I was already aware the ME880 was a cruiser tire but I never bothered to ask him why he had those on instead of MEZ4's...

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post #6 of 15 (permalink) Old Apr 17th, 2007, 10:28 pm
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I'm not sure when things changed for the K bikes, but they used to have narrow wheels, and sport tires weren't really much of an option (probably because they weren't available during the 80's and 90's...not sure, though) K-1 was the beginning of BMW's attempt to build a sport bike. I'm not sure they got it...but the folks that wanted long tours and iron butt rides swore by the ME880's. I recall reading that some riders were getting close to 20k per set of tires (:wtf). But again, I don't recall the pertinent details. I think the rim sizes were under 5" for the ME880, leaving the newer K bikes (K1200's) out of the picture. That's not to say someone determined to have the tires couldn't get wheels for the bike that were the right dimension(s).



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post #7 of 15 (permalink) Old Apr 19th, 2007, 9:14 am
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Quote:
Originally Posted by billbeemer
on my '04kgt, i use 180x55x17 tires on rear. i want to try the metzler 880 marathon touring tires for xtra mileage but it only comes in 170x60x17. can i get by with them and will they fit?
Mounting either wider or more narrow tires on a wheel changes the profile and contact patch of the tire. While it will certainly work, it's not advisable. Plenty of the right size high mileage tires out there. Choosing a tire that is sized to your rim will give you the best results in both mileage and handling.
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post #8 of 15 (permalink) Old Apr 19th, 2007, 2:05 pm
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Quote:
Originally Posted by budcarrigan
Plenty of the right size high mileage tires out there.
Assuming "high mileage" is 10,000+, what are some of the tires you are referring to?

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post #9 of 15 (permalink) Old Apr 19th, 2007, 3:26 pm
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tires

my 2002 k1200rs has a 5" wheel on the rear takes a 170 tire, and on the z6's i use i get 9000 to 10000 mile out of them solo or two up.i think you have a 5.5" rear wheel and need a 180 w/"b" rating on it.good luck.

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post #10 of 15 (permalink) Old Apr 20th, 2007, 9:46 pm
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Quote:
Originally Posted by budcarrigan
While it will certainly work, it's not advisable.
Just checked the Metzeler catalog Acrobat file I downloaded to my home desktop machine a while back and according to its spec, the rim width range recommended for the 170/60R17 ME880 tire is 4.25"-5.00". 5.5" owners are SOL, unless y'all are willin' ta experiment....

Oh, and to bolster what was posted about the contact patch, in the fitment notes Metzeler says:
"A tire which is installed on a wider than recommended rim will have a 'flattened' profile, with a smaller contact patch during braking."
So there you have it.

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Last edited by carnadero; Apr 20th, 2007 at 10:01 pm.
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