Ultra Torque Standard Metal Gear Ball Bearing Digital JX Servo PDI-6221MGR eplace Part Number: PDI-6221MG, PDI6221MGS pecification:Great 1/10 - 1/8 car, truck, buggy, or crawler Steering servo Dead band: 2螽鍋直 1520螽鍋直 / 330 hz Operating Speed (4.8V): 0.18 sec/60骼?遐аerating Speed (6V): 0.16 sec/60骼?遐?all Torque (4.8V): 17.25 kg.cm (239.55 oz/in)Stall Torque (6V): 20.32 kg-cm (281.89 oz/in)Dimensions: 40.5X20.2X38 mm /1.59 X0.80X49 in Weight: 62 g (2.18 oz)Connector Wire Length: JR 265 mm (10.43 in)Bearing: 2BB