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Working out tyre widths

Monkeyman01Monkeyman01 Posts: 43
edited June 2014 in MTB workshop & tech
I'm putting some road slicks on an old mountain bike that I have and was wondering what the safest minimum width would be.

I measured the internal width of the rim as 17.3mm. Having looked on Sheldon Browns site, I worked out that I could go as thin as 1 inch, but this is a lot narrower than I expected so I wanted to check with you guys first.

I thought that there was a calculation that you could use to work it out all scientific and that.


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