Spedix ESC's is nothing but a spectacular ESC's. Spedix keeps on leading the way in the ESC market. Introducing the all NEW Spedix GS35a 32BIT 4n1 ESC! This 4n1 weights in at 11.8g(not including cables) and is also Current Detection Supported. It's no wonder why Spedix is the leading ESC manufacturer in the FPV market.