RCinpower is currently one of the best manufacturers of motors for FPV copters. RCinpower GTS V4 2207 2040Kv is a top motor for the fastest racing copters and powerful freestylers. Like all high-end motors, the GTS V4 uses a 7075 aluminum alloy bell, has round strong N52H magnets, a hollow lightweight shaft and quality bearings. High Kv, 6S battery and light copter create a combination that flies the fastest pilots in the world.