Peter's Exposure bike light collection after six years of use Are Exposure Lights Worth the Money? Exposure Lights Review: Are They Worth the Money? This Exposure lights review is based on six years of using them for mountain biking, gravel riding and trail running in all sorts of British weather. I've been using Exposure lights for mountain biking, gravel riding and trail running since 2019. Six years later, several of those lights are still part of my regular riding and run