I guess it's worth repeating.
110/90=99mm sidewall
130/70=91mm sidewall(what I use)
110/80=88mm sidewall(one of the two stock sizes)
100/90=90mm sidewall(the other stock size)


Steelheart- '03 Speedmaster Black/Yellow The Hayabusa Killa 16" Shorties/140 mains/Airbox drilled Procom CDI "There is no cure for Celibacy. But we can treat the symptoms."