LEDs emit greater and more focused beams of light, which can make it harder for other drivers to see if the aim is off ...
A majority of vehicles still use halogen headlamp bulbs, but a growing number come with high-intensity-discharge lighting that uses xenon gas instead of a filament, or with a cluster of LED bulbs ...
In the warmer months when the sun rises early and sets late, we hardly give a thought to our headlight bulbs. The headlight just comes on when we start our bike and goes off when we power down.