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chef1983
2 years ago

necessarily hydraulic oil or brake fluid. Manufacturer or brand does not matter.

martinreschke
2 years ago

I took very simple precision mechanic oil.

martinreschke
2 years ago
Reply to  Gusti544

Well, it’s a bike. In its brakes never use the BF of cars. There’s mineral oil in the bike. I care that it is acid-free and not resinous.