law requires car tyres to have a minimum tread depth of 1.6mm
in a continuous band around the central three quarters of the tyre. To
help you judge how much tread you have on your car tyres, manufacturers
often mould tread bars at roughly 1.6mm.
Tread depth indicator
This tyre is very close
to being - or has
just become - illegal
you can see these bars your tyres are about to become illegal and
unsafe. However, for optimum safety, most manufacturers recommend that
your tyres are changed at 3mm.
often tyres will need to be replaced before the manufacturers
recommended life of the tyre, this is due to;
Under-inflation - causes rapid wear to
the sides of the tyre
Over-inflation - causes rapid wear down
the centre of the tyre
Poor or faulty brakes and worn shock
absorbers - may cause flat spots around the tyre
alignment or tracking - can cause wear along the inside or outside of
the front tyres, just by hitting a pot hole may cause the tracking to
misalign and that's why its recommended to have your alignment checked
every 6,000 miles.
Did you know that almost
20% of cars have illegal tyres? Illegal tyres can cost you a £2,500
fine and 3 penalty points each.
Incorrect tyre pressures
can reduce your tyre life by up to 25% and increase your car's fuel
consumption by as much as 5%.