Ultrasonic drive train cleaning reduces drive train drag and puts off costly replacements. Road and trail grime have become much harder to remove in a standard parts washer because of today's narrower, more intricate chains, cassettes, and cranks. The cavitation power of ultrasonic cleaning knocks the dirt out of hollow pins and cog cutouts, leaving you with a clean, quiet, more efficient, drive train. This makes the drive train less self-destructive and last much longer.
Ultrasonic cleaning is available and recommended as a separate periodic service. Below, you can see unretouched photos of before cleanning (on the left) and after cleaning.