Join Date: Jul 2009
Bikes: 1986 Alan Record Carbonio, 1985 Vitus Plus Carbone 7, 1984 Peugeot PSV, 1972 Line Seeker, 1986(est.) Medici Aerodynamic (Project), 1985(est.) Peugeot PY10FC
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Make sure first that you are not dealing with anodized parts as you will need to remove the anodizing if you are even going to make a dent on removing the oxidation. removing the anodizing is easy enough by using oven cleaner spray.
It really depends on how deep the oxidation had worked into the aluminum if it is not too deep, just a bit of elbow grease and some polishing compound past might make it dissapear very quickly. If the oxidation is deep, you might have to use a buffing wheel and buffing wheel compound to get down below the level of the oxidation becasue if you do not take off enough material, you will end up with pits on the surface. Be careful with thin parts like those chainguards might be, as you can overheat and warp them if you apply too much pressure with the buffer. This polishing might result in a mirror finish that you might not want, but it is easy enough to use a fine Scothcbrite pad to get a more directional satin-like surface if you want it that way. just experiment with the Scotchbrite. What is good is, you can always erase what you have done with the buffer and start over again if you do not like the results.
Good luck and tell us how it goes!