Worn tyres are a leading cause of accidents in the UK. Learn the 7 warning signs that tell you it's time for new tyres – before your next MOT or breakdown.
Your tyres are the only point of contact between your vehicle and the road. Worn or damaged tyres reduce braking performance, increase the risk of aquaplaning, and can lead to sudden blowouts – all of which are major accident risks. Here are the seven most important warning signs that it's time to replace your tyres.
The most well-known sign is low tread depth. UK law requires a minimum tread depth of 1.6mm across the central three-quarters of the tyre's width. Use a tread depth gauge or the 20p coin test – insert a 20p coin into the main tread grooves. If you can see the outer band of the coin, your tyres are at or near the legal limit. Most safety experts recommend replacing tyres at 3mm depth, particularly in wet Scottish weather conditions.
Other warning signs include visible cracks in the sidewall (caused by age, UV exposure, or low tyre pressure); bulges or bubbles in the sidewall indicating internal damage from an impact; uneven wear patterns suggesting wheel alignment or suspension issues; persistent loss of tyre pressure; vibration through the steering wheel; and a tyre that is more than six years old regardless of appearance. Rubber degrades over time even without being used heavily.
At Top Tech Mobile Tyres in Glasgow, we offer free tyre inspections as part of every service visit. Our technicians check tread depth, tyre age, sidewall condition, and pressure on all four tyres – not just the ones we are fitting. If we spot something concerning on a tyre we're not replacing, we'll always let you know. Book a mobile tyre inspection or fitting in Glasgow today by calling 0141 673 5765.
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