ReCycle Clocks is a company that specializes in turning defunct motorcycle parts into quirky timepieces. The clocks are created using metal scraps from old motorcycles (and recently bikes), meaning that each one is distinctive and handmade. The come in a range of different colors and you can even put in a custom order specifying exactly how you want your new clock to look.
Cool. Have ya ever seen hubcap clocks?
I suspect the motor cycle parts hard to come by. Hubcaps seem easier.