ProBEAM LED Dynamic Ringz turn signal inserts replace the factory front turn signal bulb and lens on Harley-Davidson motorcycles with bullet style turn signal housings. 1157 (US & Canada) or 1156 (International) bulb base available for plug and play installation. White outer ring illuminates as a bright white running light while the center blinks as a full contrast amber turn signal. Smoked lenses included for DOT or ECE compliance