Yeah Racing digital crawler-spec steering servo
Yeah Racing have introduced a waterproof super torque servo for rock crawlers. The standard size servo delivers up to 20kg-cm of torque and it features a dedicated software that makes it ideal for all rock crawling duties. The dual ball-raced servo utilises copper and aluminium gears for durability and it is available with a red or blue middle heatsink section.
View the specifications and another image here