Originally Posted by
basscadet
There is no need to use anything more powerful than Simple Green or similar degreaser on the powertrain unless you want to remove and ultrasonic once in a while.
I'm super anal about a clean powertrain and a few cheap brushes and some simple green in a spray bottle will keep your gear clean enough to eat off of. The Park Tool chain cleaner tool makes it a lot easier too. Bonus points for an air compressor to dry it off properly.
This. I have moved completely away from petroleum solvents of any kind in recent years except for maintenance on internal parts. The water soluble degreasers are so much easier to use.
Someone mentioned tri-flow for cassette rollers? Seems thin for that, I use wet chain lube.