This is a small bicycle clock made from recycled bicycle sprockets & a segment of a bicycle chain. SIZE: 4.9'' (12.5cm) in diameter COLOR: Black & silver with black clock hands. MATERIALS: Solid metal bicycle parts, gears, sprockets. MECHANISM: Non-ticking, silent quartz clock mechanism. Runs on 1AA battery. VARIATIONS: Wall hanging or desk type 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! :) See our other items: clocklight.etsy.com All our clocks are made from previously used parts. They are thoroughly cleaned but might show some signs of previous usage. in my opinion this adds to the item's charm. Check out our other clocks: Metal Clock, Wall Industrial Unique Bike Modern Desk Steampunk Bicycle Clock