"In 2007, the global consumption of polyurethane raw materials was above 12 million metric tons.  On a lighter note, riding the CASH'D wheel  provides immediate escape from the rigors of a modern wasteland, instilling decorum and sense of form. If boredom or hardship threaten your daily sanity, try JIVARO."

These wheels come as a set of four in a teal color, not the white color shown in photos. 52mm, 101a durometer.