13-8
Consumer information and Reporting safety defects/Tire information
. Tread rib
A tread section running circumferentially around a tire.
. Tread separation
Pulling away of the tread from the
tire carcass.
. Treadwear indicators (TWI)
The projections within the principal
grooves designed to give a visual
indication of the degrees of wear of
the G&VB