Originally Posted by
interested
Exactly, he did what people do all the time; making predictions about the future. In this case he was wrong, but the reason people are making predictions are because they often get them right; they often get home before dark, or it doesn't rain that day etc.
The alternative to making predictions and therefore sometimes get it wrong, is to slavishly carry everything, every time, every where, and never forget. Having dynamo lights means that you never forget the lights or recharging them and that you never need to make predictions about needing lights or not, so you never guess wrong.
There may be many different reasons why the ninja cyclist doesn't have lights on his bike; he forgot, they broke down, he made a wrong prediction, force majeure etc. But chances are, that if he had dynamo lights on the bike, then he wouldn't be a ninja cyclist at all.
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Regards
Chances are if he has ANY lights on his bike at all he won't be a Ninja cyclist.
Believe me I get that you don't need batteries for dynamo lights. But batteries weren't an issue in his story.
If you keep lights on your bike, even the battery operated kind, you don't have to worry about forgetting them either. I'm not some super human with a foolproof memory, yet I can't think of a time that I went to turn on my lights and they wouldn't because the batteries were dead. I have had lights come apart, problems with fraying wires and bad switches. Yesterday I sent a PB Super Flash in for replacement because it just stopped working. A dynohub doesn't necessarily solve these issues and guarantee that the lights are always going to function. A backup is still a good idea.
I'll say it for probably the 3rd time in this thread: I'm not advocating against dynohubs. If I could get two cheaply enough I'd probably have them on my winter bike. But there's nothing in the OPs story that couldn't have been solved by having a set of battery powered lights on his bike.