Use an LT tire on a GS - BMW Luxury Touring Community
 
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post #1 of 6 Old Feb 25th, 2012, 5:33 pm Thread Starter
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Use an LT tire on a GS

Can an LT rear tire which is 160/70-17 be used on a GS which normally uses a 150/70-17?

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post #2 of 6 Old Feb 25th, 2012, 7:27 pm
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Re: Use an LT tire on a GS

Should work, except it might throw off the speedo by a few, up or down, I can never remember which way. I think smaller tire makes it read faster.

I don't think you'll like the off-road handling of the GS with the LT tire.

Lee
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post #3 of 6 Old Feb 25th, 2012, 7:41 pm
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Re: Use an LT tire on a GS

I think the only difference is the tire width, not height. If that be the case the speedo won't change. As to the width, measure all clearances to frame members to make sure no tire rubbing will take place .
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post #4 of 6 Old Feb 25th, 2012, 8:59 pm
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Re: Use an LT tire on a GS

I don't know so much about motorcycle tires, but with car tires the 2nd number is the aspect ratio of height to width. If the if the height ratio stays the same, 70 in this case, the width of 150 to 160 will also increase the outside diameter. Might not be much.

Lee
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post #5 of 6 Old Feb 26th, 2012, 3:50 am
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Re: Use an LT tire on a GS

Meaning of 160 / 70 is 160 mm in width and 70% of this in hight, in this case 112 mm.
On a 150 / 70 it is only 105 mm in hight that means your OD will increase by 14 mm, makes a little in speed not much.

Manfred
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post #6 of 6 Old Feb 26th, 2012, 8:00 pm Thread Starter
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Re: Use an LT tire on a GS

Thanks for the replies. The LT tire should be about 1/4 inch wider on each side. It shouldn't rub on anything.

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Al Strickland
Blairsville, Georgia
1967 Honda Cub
1972 Honda CB350
1979 Suzuki GS750E
2001 R1150GS (gone -- victim of a Highway 28 curve)
2002 K1200LT Trike (now history, transmission died)
2009 R1200GS
2013 K1600GTL
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