The SV-1257MG is the perfect tail servo for all helicopters from the 500 class and leaves nothing to be desired. Specs of 4kg torque and 0.055° speed speak for themselves! It can be operated directly on a 2s LiPo and is ideal for all models where strength and speed is needed.

Spec Check:

• Voltage range: 6.0V...7.4V
• Motor: Coreless
• Gear: Metal
• Housing: Partially metal
• Regulating time: 60° @ 6V 0.07s
• Regulating time: 60° @ 7.4V 0.055s
• Pulling load: @ 6V (kg) 2.5kg
• Pulling load: @ 7.4V (kg) 4.0kg
• Ball bearings: 2
• Dimensions: 1.38 x 0.59 x 1.15in
• Weight: 1.04oz