When the brake is applied, the programmed flash or strobe pattern will alternate between left and right side lighting accessories creating an eye-catching pattern
Compatible with add-on custom LED lighting (such as Custom Dynamics® LED Boltz™ PN: 2040-2838 & 2040-2839) when used as left and right side rear brake lights
Fitment data lists this product for 8 model-year applications, including Harley-Davidson Road Glide and Harley-Davidson Street Glide, with listed model years from 2010 through 2013.