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Castle brings robust software, electronics and motor designs from our offices in the Kansas City area.  We build our ESCs in house and welcome your visit!  

Our systems deliver extreme performance and back it up with folks you can talk to.   Coupled with our unparalleled 1-year warranty, lifetime Tier Two "crash warranty", and world-famous technical support, Castle provides confidence and peace of mind that your purchase is a smart investment. In this day of “throw-away” electronics, put your power system investment in a trusted name with a proven track record of support and service.