The Jazrider JAZRIDER JR-FAN2-GU is a practical aluminium heat sink designed for 540-sized motors. It combines a finned aluminium body with two small cooling fans to improve airflow and reduce operating temperature during extended use. Installation is intended to be straightforward for hobbyists and requires only basic tools. The twin fans can be powered from a fan output or a low voltage supply depending on your setup, and routing cables clear of moving parts is recommended. This unit provides a simple, durable upgrade for improved thermal management in typical RC applications.