Quote:
Originally Posted by Lars
Hi there,
I know the size of the front tire of my R 100 GS as being 120/90/90 - 21"
A tire dealer in Delhi told me that would be the same than 275.21
Is that true?
Regards
Lars
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The correct size is 100/100-21, but I have used both 90/90-21 and 3.00-21.
The point we are missing here are the tire ratings, for the GS, you need at least a 51R rating and you are not going to find that on a 2.75. Not to mention, you probably couldn't get it to mount tubeless because it's too skinny. Running a 2.75 on a GS is down right dangerious, so don't do it. Find the strongest 3.00-21 and run that. Even if it's not tubeless, you can run it that way. Only as a last resort, install a tube.
__________________
Motomech
Playas del Coco
Costa Rica
"..an attaching bike on which one rolls serenly along."
(Google translation of a French R100GS review)
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