If speed is what you need then the HS-6965HB is a great choice. A super fast transit time of .08 sec. to 60°, means this servo works great with gyros where speed is a must. With the HS-6965HB's digital technology, you can program just about all the functions of the servo.

Control System: +Pulse Width Control 1500usec Neutral
Required Pulse: 3-5 Volt Peak to Peak Square Wave
Amplifier Type: Digital Amplifier & Mosfet Driver
Operating Voltage: 4.8-6.0 Volts
Operating Temperature Range: -20 to +60 Degree C
Operating Speed (4.8V): 0.10sec/60° at no load
Operating Speed (6.0V): 0.08sec/60° at no load
Stall Torque (4.8V): 92 oz/in. (6.6kg.cm)
Stall Torque (6.0V): 111 oz/in. (8.0kg.cm)
Operating Angle: 40 Deg. one side pulse traveling 400usec
360 Modifiable: Yes
Direction: Clockwise/Pulse Traveling 1500 to 1900usec
Current Drain (4.8V): 3mA/idle and 200mA no load operating
Current Drain (6.0V): 3mA/idle and 240mA no load operating
Stall Current (4.8V): 2400mA
Stall Current (6.0V): 3000mA
Dead Band Width: 2usec
Motor Type: Coreless Metal Brush
Potentiometer Drive: 6-Slider, Indirect Drive
Bearing Type: Dual Ball Bearing
Gear Type: Karbonite - Heavy Duty Resin
Connector Wire Length: 11.8" (300mm)
Connector Wire Gauge: 22AWG
Connector Wire Strand Count: 60EA
Dimensions: 1.60" x 0.80"x 1.50" (40 x 20 x 37 mm)
Weight: 1.83oz (52.1g)