| 摘要 |
The motorcycle wheel comprises primarily two solid discs (3, 4) arranged symmetrically to each other at a distance which corresponds to the length of the hub (2) while forming a close hollow chamber (14). The discs (3, 4) are screwed on either side of a radial flange (10, 11)of the hub (2). Each radial flange (10, 11) of the hub (2) is located in a plane of the wheel which is slightly inside with respect to the plane defined by the top of the rim. The discs (3, 4) start from the radial flanges (10, 11) of the hub (2) obliquely inwardly up to the bottom of the rim (6, 7) where they are connected together by welding (13). The braking discs (20, 21) of two discs brakes are screwed on the radial flange (10, 11). Stiffeners (24) are arranged into the hollow chamber between the radial flanges (10, 11) and the hollow chamber (14) is filled with foam.
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