Twisted Hobbys Crack Series Pro servos is our newest line of custom spec servos. When our customer deserve only the best quality products for their aircraft’s, enter our Crack Series ProElite custom spec line servos designed around our models to deliver highest performance and longevity you'd expect from Twisted Hobbys. Unlike the original Crack Series servos the all new Crack Series Pro servos have the ability to run higher voltages for even more performance. Digital and full metal gear construction along with see through casing to share the inner workings of our servos. Team tested and approved, enjoy endless flights with you Twisted Hobbys products.