- Installation Video: How To Install: ProBEAM Flat Turn Signal Adapter Installation September 15, 2020 13:26 Updated How To Install: ProBEAM Flat Turn Signal Adapter Installation Related articles - Installation Video: How to Install ProBEAM Dynamic Ringz Bullet LED Turn Signals on Harley Davidson Motorcycles - Installation Video: How To Install: Custom Dynamics Wheel Light Stainless Steel Brake Strobe Modification with Smart Turn Controller for Sequential and Dual Color LED's -Saddlebag Light Options for Custom Applications -Product Comparison: ProBEAM® Dynamic Ringz™ vs. Genesis® 4 Halo-Free LED Front Turn Signals