An integrally injection-molded wheel with high stability

The invention relates to a stable impeller having low weight, which is in particular suitable for bicycles having increased system weight, such as electrically driven bicycles and cargo bicycles, and to a manufacturing method therefor. The impeller according to the invention has a hub, at least three full body spokes arranged rotation-symmetrically to the wheel axle, and a rim, wherein the body, consisting of hub, spokes and rim, is produced integrally by injection casting from a fiberglass reinforced thermoplastic synthetic material. The spokes have an S-shaped cross-section, having an increasing opening angle in the direction of the rim, taper in the wheel center section from the rim to the hub and taper in a wheel cross-section extending through at least one spoke from the hub to the rim.