Go to a bike shop that has lots of bmx stuff. Then, ask for a bit of half-link chain, or ask to look through their spare chain box. Find something that's long enough for a bracelet, necklace, etc. Then, hit up the jewlery store and get a hasp, and a bit of thin wire. attatch it all and you have a simple, potentially bad-ass, and easily removeable piece of cycling jewelry. I'm working on a bracelet of half-link Shadow Conspiricy bracelet. I still need to clean it of the stickey lube it comes with, and I need to figure out a attatchment technique. Good luck.