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The Spektrum A6390 standard size analog sport servo is the perfect budget solution that offers a lightweight plastic gear train, a budget class leading torque rating of 66 oz/in and quick transit speed of 0.14/60. Single ball bearing output shaft and a robust composite plastic case offers durability you can depend on in your 60 size or smaller trainer and sport models. Includes all the mounting hardware and 3 Heavy Duty plastic arms needed for your project.