Rear Tire K1200RS - - Excellence in Motion
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post #1 of 6 (permalink) Old Feb 15th, 2009, 9:30 pm Thread Starter
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Rear Tire K1200RS

I currently have a 170/60 ZR 17 on the original rim of my K1200RS. My friend gave me a 180/55 tire and he said it would be ok to put that tire on my bike. What do you think? Please help.
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post #2 of 6 (permalink) Old Feb 15th, 2009, 11:46 pm
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I may be wrong...but, a 180 isWider and being a "55" its going to be a "lower" profile tire.That said;clearance issues would be MY concern ? "Thats all I got to say about that"....F. Gump
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post #3 of 6 (permalink) Old Feb 16th, 2009, 1:23 pm
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There's going to be a little bit of distortion where the tire bead rests against the rim, but I don't know if it amounts to anything worth worrying about. You might have to remove the rear brake caliper if you don't have to normally with the 170 tire, as the 180 won't squeeze in (unless you remove the exhaust system first) without removing the brake caliper. You slide the brake caliper on the disk as you're installing the rear wheel with the 180 tire.

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post #4 of 6 (permalink) Old Feb 18th, 2009, 4:35 pm
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Bying tires that are different sizes is like a box of chocolates ..never know what your going to get F. Gumps mother
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post #5 of 6 (permalink) Old Feb 18th, 2009, 8:42 pm
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When BMW switched the rear tire from 170 to 180 in 2004 (I think), they also increased the rim from 5.0" to 5.5". And yes, you have to remove the brake caliper to remove a 180 wheel/tire from the bike.
That said, I don't know if I would want to install a 180 on a 5.0" wheel. BMW increased the tire size more for looks than anything else, but the 5.5" wheel might have been necessary to accomplish this.

Bruce C
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