Castle Creations - Sidewinder 4 Waterproof Sensorless ESC, w/ 1406-6900kv Sensored Motor Batteries Bare The "MS" compound is firmer

The "MS" compound is firmer than the stock foam donuts

it can also be used in slightly more aggressive setups like rock racing and extended hill climbing on vehicles up to 4lbs

Kansas and is backed by Castle Creations' 1-year warranty and unparalleled "make-it-right" customer support

Requires a 4-channel transmitter with self-neutral function

The metal D-645MW is part of our D-Series dynamo servo line

Castle Creations - Sidewinder 4 Waterproof Sensorless ESC, w/ 1406-6900kv Sensored Motor Batteries Bare The "MS" compound is firmerSoftware 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