When it comes to power for bike lights, there are two main options: batteries that have to be charged/replaced, and dynamos. The latter either push against the side of the tire, have to be pre-built ...

Many cyclists have a love-hate relationship with bike lights. On the one hand, they increase safety in low-light conditions and allow riders to see the trail or road after dark. On the other hand, ...

This article is of interest only to readers whose bicycle lights are powered by a dynamo. The laws on bicycle lights in the United Kingdom are stricter than in most other countries and a dynamo is, ...