Tyre Stretch

[Alan B.]

the profile is basically the height of the sidewall.
you're right, the first number is the witdh of the wheel from the innside of the lip to the inside of the lip. (bead to bead)
just look at the examples and see what you like best.

[jap scrap]

165 45 15 is the streach for you but will be a cunt to get them on the rim but would look class