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120/70-18 tire on an LT

 
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RAL88
Flying Brick Rider


Joined: 28 Apr 2004
Posts: 736
Location: New Mexico Land of Enchantment and 365 days of riding USA

PostPosted: Thu Oct 29, 2009 11:04 pm    Post subject: 120/70-18 tire on an LT Reply with quote

Has anyone tried to put a 120/70 - 18 tire on the front rim of an LT?
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Rich

"If it ain't broke, take it apart and make it work better"
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'96' K1100LT-SE
'97' R850GS-R
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whyoldbill
Flying Brick Rider


Joined: 12 Jun 2006
Posts: 440
Location: in the boonies, northwest of Columbus, Ohio

PostPosted: Fri Oct 30, 2009 9:37 pm    Post subject: Re: 120/70-18 tire on an LT Reply with quote

RAL88 wrote:
Has anyone tried to put a 120/70 - 18 tire on the front rim of an LT?

I know it's not the same, but I have a 110/90-18 Metzeler ME-880 on mine.
(I had to grind off the tip of the screw that holds the plastic cover between the forks)
If my math is correct, the sidewall on the 120/70 should be 84 mm tall, whereas the 110/90 should be 99 mm tall. Theoretically, your 120/70 should be 4mm shorter than the stock 110/80-18.
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RAL88
Flying Brick Rider


Joined: 28 Apr 2004
Posts: 736
Location: New Mexico Land of Enchantment and 365 days of riding USA

PostPosted: Sat Oct 31, 2009 9:53 am    Post subject: Reply with quote

Your math is correct. I was wondering more if the width of the 120 would fit on the narrower LT rim.
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Rich

"If it ain't broke, take it apart and make it work better"
*************
'96' K1100LT-SE
'97' R850GS-R
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