REEDY BLACKBOX 600Z ZEROTIMING ESCReedy's all new Blackbox 600Z Zero Timing Sensored Brushless Competition ESC is the perfect entry level spec class ESC thanks to its economical price, versatility, and race proven performance. Excellent throttle and brake feel, a wide range of adjustability, and robust hardware make the Blackbox 600Z suitable for a variety of spec racing applications, including entry level and cost controlled spec race programs that mandate a specific ESC. Adjustable