Don't be a stubborn old fool. I too, poo pooed helmets, but just after my son was born, over 30 years ago, my good lady said if I was to continue cycling I was to wear an helmet. I told her that in 25 years of cycling I had never needed one (apart from racing) and was not going to start wearing one now.While I've been out walking in tne countryside I do very occasionally break into short runs just to keep muscle loose, active and able.
You know the old motto, "Use it or lose it".
But my mention of running was just a deliberate tease of the helmet brigade. E-bikes are assist limited to about 15 mph and most who ever buy an ebike never exceed that on the flat but often wear helmets, even when cycling in very flat areas. An averagely fit adult can run at around 18 mph for short distances but when doing so would never dream of wearing a helmet. Of course this is only one of the many examples of irrationality in helmet wearing choices.
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The discussion reached a head (no pun intended) and it was either helmet or divorce. I suppose it is a bit stressful waiting for someone you care for to arrive home from a 15 mile cycle ride home from work, especially on dark, wet, windy winter nights.
So I decided to go along with her suggestions and dug out an alpine climbing helmet I had bought in the Italian alps the previous summer.
I felt really stupid wearing it. The only helmets around at the time were the leather sausages we had to wear in amateur racing.
The second day I wore it I was hit up the back end by a truck, just entering the Kings Arms roundabout in Wilmslow. I was thrown off the bike and apparently my head , encased in climbing helmet hit the kerb. I woke up in hospital 3 days later. When I had recovered the helmet was given back to me by a police officer. It had split in two. I have always taken my wife's advise since that day, because without it I would have not been around to enjoy the last 30+ years.
Shortly after this I imported a cycle helmet from the USA a Bell one of the first bike helmets I had seen.
I never even ride down the drive with out an helmet these days.
When you are running you on your own legs and probably on a pavement. When you fall off a bike you go head first.