A spoke wheel including an assembly of spokes and corresponding nipples for connecting a wheel hub and a rim to each other, wherein the nipples are held axially in corresponding seats of the rim by an axial locking assembly including a belt closed in a ring on the rim behind the nipples so as to hold them in the respective seats. In one embodiment, a semiconductor device package includes a grounding element disposed adjacent to a periphery of a substrate unit and at least partially extending between an upper surface and a lower surface of the substrate unit. When the Zn concentration in the sintered body interior is taken to be 1, the Zn concentration in the surface vicinity is 0.