Whether you're cruising on a Schwinn or a suped up Suzuki-- the physics are the same. Balance.
The world record for fastest wheelie is held by a UK biker.
The Guinness Book of World Records recounts his break.
"The highest speed attained on the back wheel of a motorcycle is 191.3 mph by Patrick Fürstenhoff on a Honda Super Blackbird 1100 cc Turbo at Bruntingthorpe Proving Ground, Leicestershire, England, on 18 April 1999. This record was shown on Guinness World Records, UK in 1999."