• 4.8v to 6.0v
• Motor Type - 3 Pole
• Bearing Type - None
• Speed (4.8V/6.0V) - 0.11 / 0.09 sec @ 60 deg.
• Torque kg./cm. (4.8V/6.0V) - 2.6 / 3.0
• Size in Millimetres - 29.72 x 11.94 x 29.46
• Weight grams - 16.44
• Gears - Resin

You get two choices with Hitecs most popular servo the HS-81, resin or metal gears. A popular servo for smaller airplanes, helis, boats, cars and trucks, the HS-81 offers a fine balance between speed and torque.