I want to switch to wax. For preparation, I am cleaning my cassette, the gears in the bicycle derailleur (and the derailleur frame), and the bicycle chainring (I don’t need to clean the chain because I am getting a new one).
For the job, I got white spirit, isopropyl alcohol, and a brush, and I cleaned them as well as I could, but, for example, on the cassette there are still some black dots left and, when touching them, they are still a little greasy. How clean do the components need to be, and how can I get rid of the leftover grease?
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This or actual degreaser but in my opinion if the non l other components are pretty well clean then I wouldn’t stress further. You’re waxing the chain, not the other bits, as long as they’re not gunked up massively you should be fine
I used degreaser, but it left a black grease. I removed the small gears in the derailleur and used degreaser, then scrubbed with white spirit and then with isopropanol. But I didn’t soak it, because I heard it can dissolve the grease in the bearings.
Yep, you want to protect internal bearings for sure. What are you using for degreaser? You might just need another few rounds, but I wouldn’t say it needs to be absolutely spotless.
Some photos would help