This is a bicycle wall clock made out of recycled bicycle sprockets. It is made out of several bicycle sprockets, all in different sizes. It measures close to 5.5'' (14cm) in diameter. Made with a brand new, non-ticking clock mechanism. Runs on 1AA battery. This clock is made from real bicycle parts & although thoroughly cleaned they might show some signs of previous usage like small scratches, nicks or corrosion spots. in my opinion this adds to the item's charm. It will make a great gift for any bicycle lover or someone who already has everything. It also looks great & will make a great conversation starter in your home or work place. & of course, it tells time! :) Check out my other stuff: clocklight.etsy.com Thank you for looking, & if you have additional questions don't hesitate to ask, I'm here to help. Have a nice day! steampunk Wall Clock, Clock Made Out Of Recycled Bicycle Gears & Sprockets, Unique Modern Unusual Art, Gift Idea For Him