Once your former brushless motor has been out of order， just take this GoolRC High Performance 2430 7200KV KV7200 Sensorless Brushless Motor for RC Car Boat as a replacement. This brushless motor will be what you are waiting for. It is energy-saving and durable for long-term use， and can keep your device running smoothly. Moreover， it will save your device as well as money. A perfect RC accessory to offer endless power and stable performance! Take action without hesitation.                                    Features            High torque &amp; high efficiency. The overall efficiency exceeds 90 percentLow heat production， long lifetime， strong overload protection and it can function 95% of its features without any heat sink applianceHigh quality materials adopted， high intense aluminum alloy anodizing shell， high-performance temperature-resistant magnetic steel and imported high-speed bearingHigh quality and durable in useLet you enjoy exciting and passionate play time freely                                                            Specifications            Dimensions    (3.35 x 2.76 x 2.76)" / (8.5 x 7 x 7)cm (L x W x H)    <br>Color    Blue    <br>Material    Aluminium Alloy    <br>Weight    2.57oz / 73g    <br>Voltage    7200KV    <br>                                                            Package Includes            1 x 2430 7200KV Sensorless Brushless Motor