The smallest of chainrings on a bicycle with three chainrings. So easy to pedal your grandmother could ride it.
by JoshCyclist January 19, 2006
An extremely low first gear in a four-speed truck transmission. It is used for climbing steep hills, for moving slowly over bad terrain, or for driving slowly.
by Bumkicker Slade May 10, 2005
The smallest of a triple front chainring set. Called a granny ring because, like granny, it doesn't have many teeth.
by Duncan Withers July 22, 2008