Originally Posted by
easyupbug
I use isopropyl alcohol because I am retired and so have the time to do it often before they get bad and it does not leave anything on the surfaces. I also don't get anywhere near my rotors with a spray of any kind. A tiny bit of mist of a chain lube or general lube of any kind can give you a mess very quickly.
Thanks for the reply. Are you able to clean them with the alcohol while they're still on the bike, or do the rotors have to be removed from the wheels first?