Tandem bicycle stem that is clamped around the captain's seatpost. The stoker handlebars are typically bullhorns or drop bars with "dummy levers" instead of brake levers for gripping. Because of the extra weight and stresses, tandem wheels may use a higher spoke count, sturdier rims, higher pressure tires, a stronger freewheel, dishless spoke configuration, or asymmetric wheels. Tandems wear out rear wheels faster than front wheels; therefore, they may use non-symmetrical wheel setups, such as more spokes or a sturdier rim on the rear wheel. The dish of a wheel measures the amount of asymmetry between the rim and the hub flanges.
Carcassonne: Wheel of Fortune not involve any new mechanics (primarily from "Carcassonne: Inns and Cathedrals", "Carcassonne: Traders and Builders", and "Carcassonne: King and Scout"). However, certain tiles have additional markings significant to this expansion. The new feature of "Wheel of Fortune" is the namesake wheel, which takes the place of the starting tile. The wheel consists of a number of spaces, and players, in place of placing followers on the tile they just played, may place tiles on spaces along the rim of the wheel. Each space on the wheel may have one or two spaces on the rim. In addition, a pig-shaped marker