3 types of spare tyres

Spare tyres

We don’t talk about spare tyres nearly as much as we should. People believe that there is no science behind them and that the spare tyre is simply something tossed in the trunk. It is, nonetheless, quite significant. Here are the three different types of spare tyres and how to tell if you have the correct one.

Where is the spare tyre located?

The spare tyre can usually be found underneath the floor mat in the trunk of most cars, but if you have a 4×4 or SUV, it may be located on the back of the tailgate or even underneath the vehicle itself, as it is on Dusters and vans.

Spare tyre types

If you never had a flat tyre, there is little chance you know much about spare tyres. However, this is useful information; after all, it’s better to be cautious than sorry.

There are three main types of spare tyres:

1. Full-size matching spare tyre

Spare tyres

This is a fifth full-size tire that matches the current set of tires on your car. You don’t have to worry about kilometres or speed if you have this type.

The volume and weight of the tyre is a disadvantage, resulting in increased fuel consumption.

If you have seasonal tyres, remember to have two spare tyres to match.

2. Compact temporary spare tyre

Spare tyres

This type is mostly found in new cars. It is designed to be smaller and lighter than a standard spare tyre.

Although it cannot provide the same performance as the full-size one, this can be an efficient short-term option. You can drive up to 80km/h with it, preferably to the nearest car service. 

3. Folding temporary spare tyre

Spare tyres

This is an inflatable tyre commonly seen on new cars with R18, R19 and R20 tyres. Although it appears compact and little at first glance, it may be inflated to the required size using an air pump.

This one, like the compacted spare tyre, can be driven up to 80 mph to the nearest car service. You can deflate the tyre to its original size after changing it. 

If you choose one of the compacted or folding spare tyres, keep in mind that they will not have the same adhesion as regular tyres, but they are a suitable short-term solution to an uncertain situation.

In this category, we also include run-flat tyres. These tyres are made of a thicker rubber layer on the side of the heel to support the tire in case of a puncture. You can drive to the nearest car service, however, some of them can be repaired while others cannot. Typically, drivers who drive on run-flat tyres do not have spare tyres on their vehicles.

What do you need to know about spare tyres?

Spare tyres

We recommend you check the tyre pressure on a regular basis, especially before lengthy excursions. Physically inspect it for any damage. You can measure its wear with a calliper if you have one, but keep in mind that the required minimum depth in Romania is 1.6 mm.

It’s not a good idea to drive with the spare wheel for longer than necessary. Mistakes may occur if the wheels are not the same size and tread as the others. Braking and manoeuvrability are both challenging at the same time.

We recommend that second-hand car owners perform a test to check if the spare wheel can be mounted on their vehicle. You’d be surprised to learn that many of these cars have spare wheels other than the originals, and it’s possible that they won’t fit.

Now that you have all this information, you are ready to inspect or purchase a spare wheel.

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