Futaba S-C400 - S.BUS low-profile digital servo for EP touring buggy compatible with UR mode This is a low-profile digital servo that uses the S.BUS method for EP touring buggies and is compatible with UR mode. Features: Low profile Digital Servo for EP Touring Buggy Supports UR mode and SR mode S.BUS method Metal 2-4 gears Aluminum final gear Coreless motor Specs: Speed @ 6.0V: 0.10sec/60° Speed @ 7.4V: 0.08sec/60° Torque @ 6.0V: 6.6kg/cm Torque @ 7.4V: 8.0kg/cm Size: 40.5×20.0×25.4mm Weight: 43g