Replace the boring amber reflectors on your lower forks with these bright LED's. Reflectors function as both running lights and turn signals to really increase your visibility on the road.; Plug-and-play installation Enhances both running and turn signal lights Adds extra visibility; Note: For plug-and-play installation, 2006-17 GL1800 models require Adaptor Plugs ZZ38440 and F6B models require these Adaptor Plugs ZZ10712 (both sold separately)