There’s an awful amount of ill-informed, arbitrary rubbish spouted about tyres. Here’s some more.

Tyres are made of rubber and are there to make the ride of your car soft. It’s the air that gives the cushion, so you need to keep them pumped up, but not too hard. They have grooves cut in them called tread that let the rain out and if the grooves aren’t deep enough the police can fine you – I think it’s 1 mm, or maybe 2. I know a garage that keeps some part-used tyres out the back with more than enough legal tread and they will sell them to you at a fair price including balancing, though you don’t really need that as long as you drive at sensible speeds. I wacked my front tyre on a sharp kerb the other day which took a bit of rubber off and you can see some of the canvas stuff underneath, but it isn’t losing air. Maybe they’re the ones with tubes. Anyway they should be OK till the next MOT. Continue reading “The Carbon Black Arts”