Castle Creations - Sidewinder 4 Waterproof Sensorless ESC, w/ 1410-3800kv Sensored Motor KYO34311 They also use in-line screws

They also use in-line screws to retain the outer hinge pins while ditching the inside retaining screws for shoulders in the hinge pin holes

- One (1) aluminum rear arm mount

with no more than 0

Much stiffer and truer than molded nylon spur gears

HS-75BB Retract Servo

Castle Creations - Sidewinder 4 Waterproof Sensorless ESC, w/ 1410-3800kv Sensored Motor KYO34311 They also use in-line screwsSoftware 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