Bicycle
Bicycle were a common means of transport for humans on Earth in the 20th and 21st centuries.
History
20th century
Forester drove a big American car, which caused P.C. Bert Rowse to swerve his bicycle straight into a muddy ditch. (PROSE: Planet of Giants)
The Fifth Doctor was flung in to a Duck pond in Stockbridge when Jane Potter ran into him on her bicycle on her way to school. (AUDIO: The Eternal Summer (audio story))
In 1976, Peter Hutchings met Emily Hutchings in Greenwich Park when he accidentally ran into her, distracted by Ace's jacket. (PROSE: Timewyrm: Revelation)
The Ninth Doctor, perhaps joking, claimed to have left Rose Tyler a red bicycle for Christmas many years before (from her perspective) they first met. (TV: The Doctor Dances)
The helmic regulator in the Tenth Doctor's TARDIS appeared in the form of a bicycle pump (TV: Smith and Jones (TV story))
26th century
In 2589, Headhunter fell off of a bicycle on Phobos. (AUDIO: Phobos)
Unknown century
The Second Doctor used a tandem bicycle along with a pedal-driven helicopter rotor to invent the pedal-copter. (COMIC: Attack of the Daleks)
