This part fits the following other parts:#27478 - Sonic 540-SP5 25.5T Brushless Motor#27479 - Sonic 540-SP5 21.5T Brushless Motor#27480 - Sonic 540-SP5 17.5T Brushless Motor#27481 - Sonic 540-SP5 13.5T Brushless Motor#27482 - Sonic 540-SP5 10.5T Brushless Motor
