Explained: Why Spare Tyres In Vehicles Are Smaller Than Standard Ones
If you suffer a flat tyre while driving, the first thing you wish for is to have a spare one with you.
What happens when you get a flat tyre?
We always keep a spare and repaired tyre on hand in case we get a flat tyre on a long?journey and need to change it without the assistance of a mechanic.?
But have you ever considered why the spare tyre is smaller than a standard tyre, thinner, and frequently referred to as a donut tyre? When the question was posted on Quora, users responded extensively.
Why is the spare tyre smaller?
One user remarked that the emergency spare tyre takes up storage space and adds weight to the car 99 per cent of the time. Most modern vehicles include a very small emergency spare that takes up the least amount of space or weight while still giving a safe means to operate for a limited time.?
The user also remarked that many trucks have full-size spares, however, some higher-end sporty vehicles do not.
Another source stated that spare tyres were utilised in their original size, but since the 1980s, the spare tyre has shrunk in size to become what is often known as the "donut." He went on to say that when donuts were first introduced, automakers called them "space-saver spares" since they provided more trunk space.
How is it useful?
Another factor was that smaller tyres were less expensive. "Because a smaller spare tire costs less to manufacture, automakers make more money on each car sold (because a smaller spare does not reduce the asking price of a car). The weight is also reduced, which improves gas mileage and makes the spare easier to handle," remarked the user.?
He also mentioned that a donut spare tyre has a smaller diameter, making it easier and safer to replace. He also stated that while removing a flat tire, the car must be hoisted up substantially higher than is required to remove a flat tyre. The smaller diameter reduces the likelihood of complications during tyre replacement.?
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