Assertion: rear sprocket | /r/MadeOf | steel
Facets:
value: often
type: TEMPORAL
Source sentences:
text: As rear sprockets are smaller and durability is must, they are often made from steel, and the increased weight is a negligible issue for most riders.
text: As rear sprockets are smaller and durability is must, they are often made from steel, and the increased weight is a negligible issue for most riders.