Rêve D RS-ST PRO Low Profile Digital Servo - RedRve D (#RS STPR) RS ST PRO Low Profile Digital Servo Red Feature: RS ST PRO is equipped with a newly developed dedicated coreless motor to suit the current drift scene. This is the ultimate steering servo for drifting, with attention paid to every detail, such as the gear material and gear ratio used. After extensive testing by the Rve D development team, the settings of Team Rve D's ace driver Hoshi Hikaru have been installed as the default settings,