The Savox SH-0253 micro, digital servo has a nice balance of torque and speed in addition to using a combination of industrial plastic and metal gears for added durabilty and smoothness.

"Plus" series servos feature Soft Start and Sanwa SSR compatibility.

Features:

Aluminum middle case allows for cooler operating temperatures.

Industrial plastic and metal gear train ensures durability and longevity.

Ideal for small planes, and 450 size helicopters.

Specifications:

Torque @ 4.8v - 1.8kg/25.0oz-in

Torque @ 6v - 2.2kg/30.6oz-in

Speed @ 4.8v - 0.13 sec/60 deg

Speed @ 6v - 0.09 sec/60 deg

Dimensions L x W x H (mm):22.8 x 12.0 x 25.4

Weight: 13.6g