High strand count silicone coated copper wire is essential with higher power electric power systems. Castle Creations' wire is lower resistance than the same diameter of solid copper, meaning more power gets from the batteries to the motor with less wasted as heat. With a sensorless brushless system, extremely low resistance wire is required to enable the ESC to read the extremely low voltage back EMF; this is crucial in ensuring smooth easy motor starts. The ultra-high strand count and silicone coating means the wire is very flexible which prevents work hardening and breakage with use. Take advantage of Castle Creations buying power to enable you to purchase high quality wire at a very fair price.