Just take them apart and have them either anodized or power coated in the color you want. I prefer power coating as it never fades out like anodizing does, and power coating small parts you can do all by your self. Strip your parts down to bear medal, aluminum, buy a small jar of power coating paint in the color you want. It's like $10.00 on Amazon. Then brush it on with one of those cheap sponge brushes, then bake it with a blow drier, then after that, sand it with 220 and then 400 to smooth out any imperfections, and then finally hit with a coat of clear lacquer. Really... it's not that difficult to do stuff like that.