鎖くさり車ぐるま

noun

sprocket wheel; sprocket

Mechanical component with teeth that engages a chain; used in bicycles, motorcycles, and machinery. The cross-reference 鎖歯車 is a synonym.

See also: 鎖歯車

• 自じ転てん車しゃの鎖くさり車ぐるまが摩ま耗もうしたので交