SX30 High Torque Metal Gear Sub Micro Servo from Reefs RC is a purpose-built steering upgrade engineered specifically for the Axial SCX30. Designed as a true drop-in solution, this servo delivers dramatically increased torque and durability over the stock unit. With a machined aluminum case and all-metal geartrain, it also adds valuable low front-end weight to improve balance and stability. Features: Direct drop-in fit for Axial® SCX30 35oz-in torque at 6V All-metal gear construction Machined aluminum servo case Includes: (1) SX30 Sub Micro Servo (3) Black Nylon Servo Arms (Different Lengths) Specifications: Application SCX30 Input Voltage 6.0-8.4V Operating Speed @ 6.0V 0.075sec/60° Operating Speed @ 7.4V 0.066sec/60° Operating Speed @ 8.4V 0.06sec/60° Dynamic Torque @ 6.0V 35oz-in (2.5kg-cm) Dynamic Torque @ 7.4V 39oz-in (2.8kg-cm) Dynamic Torque @ 8.4V 42oz-in (3.0kg-cm) Pulse/Frequency - Motor Type - Output Shaft Spline 20T (?4.0mm) Gear Material Metal Dimensions 0.96x0.6x0.44in (24.4x15.2x11.1mm) Weight 0.29oz (8.2g) Compatibility: Axial SCX30