TIC Warns Against Retro Fitting Self Supporting Run-Flat (SST) Tyres

A car’s suspension is specifically tuned for SST run-flat tyres for maximum safety, performance, handling and ride quality. SST Run-flat tyres must only be fitted in conjunction with a tyre pressure monitoring system to ensure that a tyre deflation is communicated to the driver at the earliest possible moment. Failure to do so could result in a tyre being run in a deflated condition for longer than the recommended period and the driver left in ignorance of a tyre’s condition.

Retrofitting of SST run-flat tyres may also compromise the ride characteristics of the vehicle to which they have been fitted because few older vehicles have been designed with run-flat fitment in mind. An example pointed out to the TIC recently involved the fitment of a set of run-flat tyres to a ten year old vehicle not fitted with a tyre pressure monitoring system. The car suffered a puncture and the driver was unaware of the deflated tyre, which was run in this state for some time, and the car failed its MOT because of damage to the tyre.

All major tyre manufacturers producing SST run-flat tyres, along with all major tyre retailers, recommend against fitting run-flat tyres to vehicles not originally designed with this type of tyre in mind.

Self supporting run-flat tyres must never be mixed with standard tyres on any vehicle.

The Tyre Industry Council is Britain’s foremost tyre safety organisation. Formed in 1989 is a not for profit, non -commercial organisation charged with the responsibility of raising the awareness of the dangers of driving on defective or badly worn tyres. In 2001 the Council received the prestigious Prince Michael International Road Safety Award for its contribution in raising the awareness of the importance of tyre safety. The TIC engages in high profile campaigns with the police and is credited with reducing the number of defective tyres in the UK from 17% some 10 years ago to 12% today. The Council’s activities are supported by various organisations including the Association of Chief Police Officers, The RAC Foundation and The Institute of Advanced Motorists.

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This article was posted on 19th July 2011 in Latest News

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