Originally Posted by
no motor?
A backup light is good to have, even if it's your old light that suddenly got outclassed. I'm hanging on to mine until I get something better to replace it with, even if I don't use if much anymore.
This is a good point. I have a very small LED on my keychain that I could use in a pinch for very slow riding and being seen, but it's really insufficient. Generally I settle for backup batteries, but in this case a backup light could be smaller and lighter than 2 extra C cell batteries.