Assertion: bicycle's motor | /r/CapableOf | mount in frame
Facets:
value: under the frame
type: LOCATION
value: behind the rider
type: LOCATION
Source sentences:
text: Derny motor-pacing cycle (motor mounted in frame, drive via chain to rear wheel).
text: an engine or motor mounted in the frame (called a frame mount), under the frame, or behind the rider (called a rack mount) may drive the rear wheel via a sprocket with a chain or a rubber belt.