The Spektrum Firma Sensored 2-in-1 System is specifically engineered to be used with 10th scale Crawlers and Scalers. Featuring advanced Field-orientated Control FOC and professional drag brake performance and torque control. Spektrum SMART Firma 2 in 1 Brushless Crawler Motor/ESC: 2300Kv, SPMXSEM1040B. 2-in-1 ESC Motor Combo: Compact option for detailed scale builds where space is […]