ProTek - Black Label High Speed Brushless Servo (High Voltage/Metal Case) (Digital) Drone Propellers The battery expansion kit allows

The battery expansion kit allows you to install taller batteries in the standard 329 mm wheelbase Maxx®

Easy clipless body attachment and high-quality hex hardware

and easy-to-use charging solution for LiPo batteries

Breakover Angle: 79

There are a mountain of imitators

ProTek - Black Label High Speed Brushless Servo (High Voltage/Metal Case) (Digital) Drone Propellers The battery expansion kit allowsBrushless servo technology has improved by leaps and bounds. Finally, brushless servos can deliver holding power, speed and precision that can compete with a coreless servo. Combine that with the superior efficiency and lifespan of a brushless motor and you have a servo that hits all the marks, with the performance and quality required for a pro level build. A black anodized aluminum case with aluminum and white accents give this servo a stealthy look