Sorry Friar. The 120 is the width in mm. The 90 means the sidewall height is 90% of the tread width. 108mm for a 120/90, 91mm for a 130/70.
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."
