Lostcause
Retro Guru
I like that idea maybe carbon wrap to match the bars and forks…..Heavy duty sticker/metallic silver sleeve. Have a look on eBay for self adhesive silver sticker or similar to see what's about. I'd look to wrap it 360 degrees around it and if you want to be fancy you can create an unwrapped profile so it will match the bridge shape and be almost invisible vs. a wrap with square cut-ends...
I may as well, it’s wearing the blue bolts I found in a drawer labelled “ don’t use anything from this drawer, you’ll look like a shell suit wearing chav “