disk wheel

American  

noun

1. a spokeless vehicular wheel, especially on automobiles, having a heavy circular pressed-steel disk mounted on the wheel hub and supporting the tire rim on its outer edge.

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Etymology

Origin of disk wheel

First recorded in 1905–10

Example Sentences

Pedaling with his body curled up in a tight ball, with the aerodynamic rear disk wheel bearing the rainbow-colored stripes earned by the world champion, Martin maintained a steady pace on the flats, hugged the edge of the road on curves, and squatted down on his bike's top tube to reduce wind drag on the descents.

From Los Angeles Times

Then the number and color-designations of the disks are wired to the receiver, who has a disk-&-wheel set of his own.

From Time Magazine Archive