Fits H-D flat lens 2-screw pancake style turn signals. Front use. Smoke lens. CAN-bus bike turn signal inserts to convert from regular turn signal to turn signal with running light function. These turn signals have single 1156 base but come with a special extended wire lead that allows you to run the outer ring of 24 white ProBEAM LEDs as a running light. When the turn signal is activated the white LEDs turn off for better visibility of the amber turn signal. Installation and wiring instructions included. - DOT and SAE compliant. Note: Pre CAN-bus bikes require a load equalizer when OEM incandescent turn signals are converted to LED to correct flash rate. Note: HDI (EU) models have turn signal wiring only. Re-wiring required for lighting the white running light function on the LED ring. Note: Insert is ECE approved. Lens is not ECE approved.