Steampunk Bicycle Gear Earrings/Bicycle Earrings. Sometimes you gotta have a lotta gears to get up that long, steep hill! Fun steampunk style! -Earring drop is about 1.75″. -Silver, bronze, and copper tone charms are about 1/2″ in diameter -Nickel free copper tone lever back ear wires keep earrings securely in place -These earrings make the perfect set with all my steampunk-style necklaces! Check out my other listings. -Every purchase is ready for giving in a handmade gift envelope.