A tyre is a ring shaped covering that fits around a wheel rim to protect it and enable better vehicle performance by providing a cushion that is flexible and absorbs shock while keeping the wheel in close contact. On the other hand, Part worn second hand tyres are legally sold throughout the world. This is only possible however when they do not have any of the following characteristics such as:-
If there are no 25 millimetres or more than longer cuts on the surface of the tyre.
If there is no cord or ply vulnerable on either side of the tyre.
Swollen rubber or bubbles, tears or bumps must not appear.
Unrepairable damage to the tyre.
The proper official markings must be on the part of worn tyres also that need to internal inspections only if the used tyre is sold on the rim. The ratings of the load ratings and the speed must be displayed. The Part worn tyres are considered as dangerous because they may prone to accidents. The part worn tyres can save you heap of money and make sure before you pay that you do your own research.
You will want to know first whether they are safe or not, you can check the safety by looking at your tread of the tyre or if you prefer, you may require a professional to look at it instead as this may cost you some money as the mechanics time is not very cheap! Other things to consider will be the price over the safety of your vehicle, so do you want to jeopardize the safety of yourself and your passengers to save a few notes on your bank balance.
The good thing however is nowadays are the Part worn tyres that have some regulations for people who sell them legally. If you walk in to a reputable garage, chances are they have checked and checked again the tyres safety and made sure that you would not be in any harm if you buy them and use them on your car. If you decide to save even more money and use a less reputable source for your part worn tyres then you may be handing over your money for dangerous discount tyres that could lose grip easily on the road and causing you to crash.
Part worn tyres come from variety of sources that means that it is difficult to understand its history. Some are removed from vehicles which have been written following an accident, others are put back into service having been changed by their original owner and others arise from situations where drivers switch between set of summers and winter tyres and choose to refit brand new tyres rather than refitting their old set.
On the other side, the cons of buying used tyres is an uneconomic and risky thing to do because in the long run, an average user does not have enough knowledge to check the true condition of a part worn tyre. Second-hand tyres available in many countries usually come from crashed cars that mean they can have severe internal damage.
It is also impossible to tell if second-hand tyres were used with proper pressure and if they were stored properly off-season.