Assertion: bicycle's gear | /r/CapableOf | thread for a freewheel derailleur cluster
Facets:
value: to his old schwinn excelsior bike
type: TRANSITIVE-OBJECT
Source sentences:
text: Derailleur gears were added by Russ Mahon of The Morrow Dirt Club in Cupertino at the 1974 Marin County cyclo-cross and Gary Fisher's 1975 used a tandem rear hub (from a flea market) with internal steel drum brake and threaded for a freewheel derailleur cluster to his old Schwinn Excelsior bike, enabling him to ride up the mountain, as well as down.