'Beware' the use of run flat tyres with caravans
Another motoring story from Auto Windscreens
Motorists have been warned that run flat tyres were not designed to be used when towing a caravan or trailer.
Protyre advised the technology that allows the car to continue its journey after its treads deflate is not capable of dealing with the added stress of towing.
The firm said the treads work as well as standard ones when fully deflated and can safely be used to pull a load.
However, it said the usual 50 mph for 50 mile recommended limit should be reduced if extra cargo is attached.
"The additional mass of a caravan/trailer subjects the tyre to higher stress levels and impacts on the tyre's in-built torsional and lateral stability," Protyre explained.
It advised the technology only be fitted to vehicles that have a pressure monitoring system to inform the driver of deflation.
Therefore, it said, the equipment should not be used on caravans or trailers as no such alert mechanism exists.
Protyre recently announced it has established 21 facilities dedicated to motorcycle tyres around the UK.
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