My bike's rear tyre was geting badly worn, and I have been meaning to replace it, but life seemed to be getting in the way all the time. In the famous words of John Lennon, Life is what happens while we're busy making other plans.
Today I finally got round to buying a replacement tyre, and I got a good one: a Schwalbe Marathon, complete with Kevlar insert to protect against visits from the puncture fairy, and reflective sidewalls.
Now I knew my old tyre was badly worn, and was showing canvas in places, but I never realised just bad it was until I took it off and saw light shining through one of the canvas patches! Whoops! Perhaps I ought to replace tyres a tad sooner, next time.
The thing is, the tyre I replaced wasn't all that old - around 8 or 9 months. Then again, I commute with panniers that often weigh in the region of 14 kg. That's in addition to my own weight that seems to hover in between 75 and 80 kg.
Anyway, the new tyre's on the bike, the wheel's inflated again and I'm good to go for hopefully a tad longer than 8 or 9 months.
Here's a pic of the difference between the two: