ProBEAM LED Taillights have been engineered from the ground up using the highest quality automotive LEDs and modern light pipe design! Custom Dynamics premium line of aftermarket LED taillights now provides increased side visibility to maximize safety through modern technology for Harley-Davidson motorcycles. 5 light pipes illuminate across the taillight as the constant on running light, while 25 separate LEDs provide a full contrast brake light. The classic Squareback design mimics the look of the stock taillight and mounts to the stock taillight baseplate to add a modern look to your rear fender. Available in Red or Smoke, with or without top license plate illumination window. Replacement gasket and nylon washers included for plug and play installation. Lifetime warranty against LED failure. Replaces OEM Squareback Taillight (68245-03 or 67800205) on most 1999-2023 Harley-Davidson models (including Tri Glide). Low Profile lens design also available for most models. US Patents: D807545, D807546, D808050. China Patent: ZL201730257957.9. 1. 1999-earlier models must use a Pre-1999 Taillight Baseplate Kit (2010-1418 OR 2010-1419, sold separately) to install on earlier models. 2. 2022-2023 Low Rider ST (FXLRST) & 2022 Low Rider El Diablo (FXRST) require wiring adapter 2130-0352 for installation (sold separately). 3. 2020-2022 Harley-Davidson Tri Glide Ultra CVO (FLHTCUTGSE) requires qty 2 wiring adapter 2050-0417 for installation (sold separately).