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Fork
From WikiPedalia
Usually refers to the front fork, the part of the frameset that holds the front wheel. The fork is attached to the main frame by the headset. The fork consists of the two blades that go down to hold the the axle, the fork crown, and the steerer.
The term "rear fork" is sometimes used to refer to the part of the frame that holds the rear wheel.
Joshua Putnam has a good discussion of forks and Bicycle Steering Geometry on his Web site.
