Regarding the article about DVSA’s announcement about clamping down on old tyres [routeone/Big Story/28 November], it’s ozone that attacks rubber and ozone is more prevalent in coastal areas.
Ozone causes crazing of the rubber, particularly the side walls.
However, if the tyres are not crazed, I cannot see the problem with tyres that are over 10 years old. What do the tyre manufacturers say? Is it a safety issue if the tyres are not crazed?
Do tyre manufacturers have a commercial interest in agreeing that 10-year-old tyres should be banned?
Appears to me that not enough questions have been asked before this action has been taken.
Dave Rimmer, Merseycare Transport
