The Associated Sonic 1525 is a 4500kV micro brushless motor designed as a factory replacement for the RC28R platform. It features a sensored connection port for smooth low-speed control when paired with a compatible sensored ESC, along with three gold-plated bullet connector tabs for power input. The compact, finned metal can aids in heat dissipation during extended run sessions. Features: 4500kV rating Sensored motor with dedicated sensor port Gold-plated bullet connector tabs Finned metal motor can for heat dissipation 7/7/26 cs