A 130/70-18 Marathon XXL will fit right on.
It looks nice and fat but handles great.
I've been running one for about 1000 miles.

Last edited by BrianT; 03/27/2008 8:04 PM.
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."