bigfriendlyvegan wrote:. The closest I came was beausage, which is beauty through usage (coined by Grant Petersen of Rivendell bikes), but that refers to the aesthetics of patina, scratches, chips etc. On further reflection, the idea I'm after may not even be Japanese and I may have just linked beausage to Japanese philosophy because their philosophy and aesthetic are pretty much the same thing.
The beauty of wear, patina, scratches and rust etc is often linked to the concept of 'wabi-sabi', though that's only a superficial aspect of what is a very deep, nebulous and uniquely Japanese concept.
About bikes, I don't mind some things showing wear and age, but I really like components that are designed and made so they can be restored by cleaning and polishing. (Scratched up old shimano anodized alu components come up great with the ano removed and a high polish, though that's hardly doing justice to their intended appearance.)