EX8.5 Extreme Sport Brushless Motor: 8.5 turns; similar to a 15-17-turn mild-modified brush motor (#3430)
EX10.5 Extreme Sport Brushless Motor: 10.5 turns; similar to a 19-turn brush motor (#3431)
EX13.5 Extreme Sport Brushless Motor: 13.5 turns; similar to a 27-turn stock brush motor (#3432)
Each EX Sport Brushless