What is Crossbar ?
Crossbar is (noun) 1. a bar which goes across a space, especially a bar which goes between the posts forming a goal He kicked the ball over the crossbar and converted the try. He almost scored, but the ball hit the crossbar. 2. a bar which crosses the frame of a man’s bicycle, from the seat to the steering column She sat on his crossbar. Girls’ bicycles normally don’t have crossbars.
source: Easier English, Student Dictionary Upper Intermediate Level