Spare wheel versus repair kit

Feeling a bit deflated? We've all had a flat tyre. Only what's the best manner to fix it?

The spare cycle versus repair kit contend is one that gets many drivers revving like a racing engine, particularly if they're buying a new car. The bulk of new motors ‑ nine out of x according to website Honest John ‑ are sold without a full-size spare wheel. In well-nigh cases the spare is replaced with a repair kit that is designed to get you back on the road and to somewhere where you lot can buy a replacement tyre.

A flat tyre is likely to afflict every driver at some betoken in their motoring life. Changing wheels is the second most popular reason that customers call Green Flag out. And according to tyre maker Continental, drivers suffer a puncture on average every 44,000 miles or five years. So having something that can replace a flat tyre is clearly important. Just in the spare wheel versus repair kit argument, which comes out on top? Nosotros investigate.

What's wrong with the good old-fashioned spare wheel?

Car makers say they're under increasing pressure level to fit more equipment into cars. Nosotros take it for granted that they'll have electric this and power-assisted that, in improver to air conditioning and entertainment systems. All this kit takes up space. Throw in that petrol-electric hybrid cars frequently need the expanse under the boot to fit the petrol tank (the batteries at present go where that usually lives) and in some cars in that location is simply no room for something that may never be used.

Why do drivers like them?

Information technology'south undoubtedly reassuring to know that if you become a flat tyre, you can continue your journey with just the minor delay that a smooth cycle change can incur. Simply according to Continental, drivers who remember that could be labouring under a misconception. The tyre maker claims that only 70 per cent of spare tyres are e'er fitted when required. This is because many are underinflated, otherwise not fit to be used, or the driver can't get the bicycle off to change the tyre.

How do puncture repair kits work?

The kit includes a latex sealant that is forced into the tyre through the valve and a compressor. This runs off the car's 12-volt ability outlet and inflates the tyre. The theory is that the sealant volition plug the pigsty when it's put under pressure, enabling you to get abode.

What are their benefits

Obviously weight and space weigh heavily on their side. These repair kits counterbalance a fraction of the 20kg a full-size spare wheel tips the scales at. And as they're about half the size of a car battery, they have up a lot less space than a wheel. According to Continental, they will offer a temporary fix for four out of five punctures. And they volition enable you to exercise 300-400 miles, thereby safely getting you off the roadside. Not having to mess about with a jack and cycle brace is a bonus too.

What are their disadvantages

For every one in five flat tyres they don't work. For example, if you hit a kerb and cause significant harm to the sidewall of the tyre a repair kit won't do the job. And if your tyre suffers a sudden structural failure – more than commonly known as a blow out – they certainly won't help. In addition, the inside of the tyre and wheel will be covered in a mousse like substance. Although they can be cleaned and repaired, reverse to what some say, many fitters will refuse because it'southward such an unpleasant job.

What nearly space savers?

Around 25 per cent of new cars come up with space savers. These are skinny wheels designed, as the proper name suggests, to cut down on the amount of room a spare takes up. Of grade you nevertheless take to change the wheel. And in one case the infinite saver is on, your speed is limited to 50mph and range limited frequently to l miles, for safety reasons. On top of that, there's every chance that the total-size bicycle with the apartment won't fit in the spare bike well.

And run flats?

These are also known equally cocky-supporting tyres considering they utilize the rigid sidewalls rather than air pressure to support the car if they're punctured. Of grade, you don't accept to change the wheel. And they're so effective at disguising a puncture that some drivers have had to rely on their Tyre Force per unit area Monitoring System to discover their tyre had lost air pressure. All the same, the downside is that the ride can be on the firm side with these because of those rigid sidewalls.

Are self-sealing tyres the hereafter?

This is a relatively new and increasingly pop innovation in the world of tyres. The tyres are fitted with an air-proof layer inside which seals punctures in the tread expanse. Richard Durance from Continental explained: "Our research shows 95 per cent of punctures are caused by objects up to 5mm in diameter. The cocky-sealing tyre will cope with that and you'll exist able to continue driving, probably without even knowing you've had a puncture."

Verdict

Spare versus repair? Allow's be honest, every one of these solutions feels like a compromise. But probably the all-time respond is the cocky-sealing tyre. However, in that location are still downsides. In this case yous're likely to pay a chip more for tyres that mend themselves. Whether that'south a worthy price for the convenience of never having to change a tyre once more is a personal choice.

Read how to wait after your tyres