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.
We drove to the top of Mount Bross (14,172 feet) in granny gear.
by Bumkicker Slade May 10, 2005
The smallest of chainrings on a bicycle with three chainrings. So easy to pedal your grandmother could ride it.
That hill was so steep, I wish my bike had a granny gear to get up it.
by JoshCyclist January 19, 2006
The smallest of a triple front chainring set. Called a granny ring because, like granny, it doesn't have many teeth.
You may have to drop it down to granny gear for this steep pinch.
by Duncan Withers July 22, 2008
When thrust and stamina are valued more than a ferocious tempo, one "jams it into granny" to really get her going
Uh oh she's falling to sleep, jam her into Granny Gear!
by themaplemolester December 04, 2010

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