Additions to the page about LED headlights — lots of new information, about why lights which are well-designed for nighttime use can be good as daytime running lights, but some that are impressive in daylight don’t do so well at night; about ultra-cheap lights, how to make them pay for themselves adn which kind is preferable; installation and adjustment.
![A pair of ultra-cheap bicycle lights](http://cdn-0.sheldonbrown.com/blog/wp-content/uploads/2017/02/cheaplights.jpg)
A pair of ultra-cheap bicycle lights