DESCRIPTION: Hot Racing motor heat sink fan for use on Mini Maxx, Mini XRT or any other use a 540 or 550 motor. Fan mounted directly on top of the heat sink FEATURES: - Black anodized - CNC Aluminum Case - Double Bearing - Provides airflow to cool Emotor for improved efficiency and performance - Two wire servo-style connector YOU WILL RECEIVE: - One (1) heat sink with cooling fan REQUIREMENTS: - Installation - Some units may require assembly (1.5mm and 2mm hex wrench required) SPECIFICATIONS: - Overall height: 39mm (1.54 inch) - Heat sink length: 30mm (1.18 inch) - Fan size: 35x35x10mm - Fan mounting hole pattern: 24mm square - Input voltage: DC 7.2-8.4V MAX - RPM 16000 (7.2V) 18000 (8.4V) RPM