Star Trek VI: The Undiscovered Country star the cast of "The Next Generation". The seventh "Star Trek" feature, "Star Trek Generations" (1994), would blend the old and new cast. "The Undiscovered Country" opened in 1,804 theaters in North America and grossed $18,162,837 in its opening weekend; the showing was a record for the film series and was the top-grossing film of the weekend. The film grossed $74,888,996 in North America, for a total of $96,888,996 worldwide. "The Undiscovered Country"s strong showing was one of the big successes of 1991, a year in which the film industry experienced disappointing box office results overall. The film was nominated
Bicycle chain hollow pins and with cut-outs in the links. Chains have also been made of stainless steel for corrosion resistance and titanium for weight reduction, but they are expensive. A recent trend is chains of various colors, and at least one manufacturer offers a chain model specifically for electric bicycles. Notable bicycle chain manufacturers include: Bicycle chain A bicycle chain is a roller chain that transfers power from the pedals to the drive-wheel of a bicycle, thus propelling it. Most bicycle chains are made from plain carbon or alloy steel, but some are nickel-plated to prevent rust, or simply for aesthetics.