Assertion: bicycle's frame | /r/MadeOf | steel
Facets:
value: often
type: TEMPORAL
value: typically
type: DEGREE
Source sentences:
text: Wheels come in a variety of sizes and thicknesses for riding on each of these surfaces while frames are typically made of steel, aluminum, titanium, or carbon fiber, and occasionally even out of materials such as bamboo.
text: Their frames are often made of steel as it is stronger, more flexible- therefore more comfortable over rough