This is the Sidewinder 4 Waterproof Sensorless ESC, w/ 1406-4600kv Sensored Motor from Castle Creations. Part # 010-0164-05.Software Enhancement: The Cryo-Drive software allows the ESC to run cooler when compared to a similar ESC's 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 it's cool it the most extreme conditions. Now included with every 1/10th scale Sidewinder 4 ESC.30mm fan: This fan is 20% larger than previous generations and will help your ESC keep it's 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.For short course trucks running on 2s LiPo and weighing up to 6.5 lbs; it can be run on a 3s LiPo with very conservative gearing. It is a cooling running torque animal for lighter 1/10th scale 2WD stadium trucks and buggies running up to a 3s LiPo.
