Team Associated - ESS-Air Engine Sound System KYO34425T1C If you are looking for

If you are looking for that classic candy metal-flake finish

Aluminum o-ring set screw with Delrin cup With light weight cut out

Aluminum heat sink and cooling fan helps motor to run cooler

Number of teeth: 42

Team Associated - ESS-Air Engine Sound System KYO34425T1C If you are looking forAdd exciting sounds to your RC plane! Lightweight and more compact in size, making it easier to install. Output is circuit, overload, and thermally protected. Features: Uses advanced DNS DCR algorithm to reproduce the sound of real engines Supports two sets of quick switching engine sounds Supports AUX channel that can simulate a variety of sounds such as alarm Allows user to modify, add, or remove sounds. Supports firmware updates and function