Originally Posted by
jack pot
^^^^ why am i told that 48 X 17 is OK but 48 x 18 is not
something about integers ?
That should only matter with regard to skid patches on fixed gear if you do that sort of thing. 48/17 would spread wear among 17 skid patches while 48/18 would only create three patches. So you would wear the tire out the tire more quickly.
This page makes it easy...
http://bikecalc-staging.herokuapp.co...tch_calculator
Otto