Answer: sprockets

AnswerCrossword Clue
SPROCKETSSome of a bicycle's wheels
SPROCKETSToothy wheels
SPROCKETSTen-speed components
sprocketsEach of several projections on the rim of a wheel that engage with the links of a chain or with holes in film, tape, or paper
sprocketsSPROCKET, a toothlike projection that turns the links of a chain
sprocketsA wheel with teeth of this kind