(1) Frame: it is the entire motorcycle skeleton, welded steel pipes, steel plates. It engines, gearboxes, front fork, rear suspension and other connections to each other and have a higher strength and stiffness. Scooter use of steel stamping, welding from the spine type frame. General motorcycle use welded steel frame, a combination of cradle-type frame or steel frame, steel pipe. Some high-power engine motorcycle used in the steel bracket welded double cradle type frame.
(2) Fork: front fork of the motorcycle-oriented organization, the frame and the front wheel organically linked, fork from the front bumper, upper and lower joint panel, steering column and other components. Steering column and the second line plate welded together, steering column casing package within the first frame, in order to make the car move flexible steering column, in its upper and lower parts of a journal containing axial thrust ball bearings, by both the left and right upper and lower joint board a front shock absorber together into a fork.
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