| 摘要 |
In a disk brake for motorcycles, the brake disk connects the actual hub of the wheel with the spokes-carrying flanged body of the wheel itself, and the braking member consists of a non-rotating plate, provided with friction pads slidable along the wheel axis. The disk braking surface is a conical surface, with its axis coinciding with the wheel axis, and the friction pads are borne by the plate in such a way as to lie on a conical surface mating with the disk braking surface. The brake plate is widely slotted, so as to provide a unit comprising a hub, three spokes and two peripheral crowns, this unit being obtained by metal casting, the friction pads being applied to the spokes between one crown and the other.
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