Forget about street furniture -- as far as sidewalk finds go, finding a metal wheel is the new finding a mid-century armchair! Restless spotted this gem in Greenpoint and reports that it's gone unclaimed for months. It's likely too heavy to throw over ones shoulder, but apparently metal is the hot commodity of sidewalk scavenging these days (he reports that people are often seen "walking from Long Island City across the Pulaski Bridge early......