Bicycle
From Memory Alpha, the free Star Trek reference
A bicycle is a two-wheeled (one behind the other) non-motorized vehicle operated by the user sitting on it and pedaling to propel it.
In 2063, an man was riding a bicycle just before the Borg attacked. The energy weapons they used blew up a nearby building, and sent him flying off the bicycle. (Star Trek: First Contact)
In 2151, when Enterprise investigated the disappearance of the Terra Nova colony, one of the things they found left in the abandoned city was a broken bicycle. (ENT: "Terra Nova")
In 2374, Tom Paris jokingly suggested to set up a bicycle in the mess hall, attach a generator and pedal home, when the USS Voyager was forced to go into grey mode. He then "volunteered" Harry Kim for using it. (VOY: "Demon")
When Jonathan Archer and Daniels were trapped in the 31st century, Archer asked if Daniels would take a bicycle and turn it into a time machine. (ENT: "Shockwave, Part II")
