condition
wall with TWI – Tread Wear Indicator. At
a tread depth of 1/16 in / 1.6 mm, the
indicators signal that the legally permis-
sible wear limit has been reached.
ead – tire damage
your tires frequently for tread
gns of damage and for foreign
lodged in the tread. Check the
epth.
epth should not be allowed to
w 1/8 in / 3 mm, even though
lly specified minimum tread
only 1/16 in / 1.6 mm.
1/8 in / 3 mm tread depth, there
at risk of hydroplaning, even at
y moderate speeds and with
all amounts of water on the
ead wear indicators in the
oove base – see arrow – are
ted around the wheel circumfer-
d are labeled on the tire side-
English 
