Castle Creations 010-0164-00 Sidewinder 4 Waterproof Sensorless Esc

Software enhancement: The cryo-drive software allows the ESC to run cooler when compared to a similar ESCs without the enhancement. This gives you the ability to run longer and harder without overheating. You can push heavier vehicles or get higher top speeds As a result.30mm fan: this fan is 20% Larger than previous generations and will help your ESC keep its cool it the most extreme conditions. Now included with every 1/10th scale Sidewinder 4 Esc.Case design: the case design gives the Sidewinder 4 a sleek and modern look. It also boasts improved ventilation that helps cool critical components.