Ten-speed bike component

Usage examples of gearwheel.

Harley, thumbed the starter button, used the long heavy shift to slide the gearwheel into place, rolled in a little throttle, released the clutch, and rode across the highway.

They ran giggling and whooping and yelling through the Sunday-silent Ironworks, finding the eggs under the giant tipper-vats, inside the desk drawers of the foreman, balanced between the great rusty teeth of gearwheels, inside the molds on the third floor (in the old photographs these molds look like cupcake tins from some giant's kitchen).