Top Gear Hyper Bike happened in 2000.
being in top gear means you cant shift no more and means your going fast as your bike will allow and by bottom gear you mean low gear which means your in lowest gear possible.
Top Gear Russia was created in 2009.
Top Gear - magazine - was created in 1993.
Top Gear Rally was created in 1997-10.
Top Gear Korea was created on 2011-04-20.
Top Gear of the Pops was created on 2007-03-16.
Top Gear Overdrive was created on 1998-11-23.
Top Gear Australia was created on 2008-09-29.
Top Gear - video game - was created on 1992-03-27.
Top Gear GT Championship was created on 2001-03-21.
Top Gear Winter Olympics was created on 2006-06-05.