Originally Posted by
hhk25
I ended up using the citrus degreaser. Put the derailleur in a closed container and shook the bejesus out of it - poor man's ultrasonic cleaner. A bit more scrubbing with a toothbrush and she came out all sparkly.
This is the poor man's ultrasonic cleaner.
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1