The cateye volt 400 and rapid x2 light set is the ideal partnership if you are finding yourself riding to and from work a lot more often than not being able to see the road when riding is a must when cycling through busy areas as a pot hole or sunken drain cover can come out of nowhere the volt 400 produces a bright white 400 lumens which is plenty to angle down at the road so that you can see whats ahead of you with a simple mounting system you are able to removeinstall the light in second