Hub-and-spoke conspiracy least eight) conspiracies. That is, the Government failed to demonstrate the rim of the wheel, that connected the spokes to one another. "Without the rim, an alleged hub-and-spoke cartel is merely a set of vertical relationships (or restraints) that result in parallel conduct and does not establish" a hub-and-spoke conspiracy. Since "Interstate Circuit", the Supreme Court decided four hub-and-spoke conspiracy cases and one case rejecting a parallel-action conspiracy claim. "United States v. Masonite Corp.", was a patent–antitrust price-fixing case, in which the patent holder negotiated licenses with price-fixing clauses while resolving infringement disputes with some of the licensees. The Supreme
Bicycle wheel Brass nipples are heavier than aluminum, but they are more durable. Aluminium nipples save weight, but they are less durable than brass and more likely to corrode. A nipple at the rim of a wheel usually protrudes from the rim towards the center of the wheel, but in racing wheels may be internal to the rim, offering a slight aerodynamic advantage. A wheel can be formed in one piece from a material such as thermoplastic (glass-filled nylon in this case), carbon fiber or aluminium alloy. Thermoplastic is commonly used for inexpensive BMX wheels. They have a low maximum tire pressure