The invention discloses a gear shift arrangement, which includes a sprocket cassette being adapted to be slidably mounted on a hub which is adapted to move on a horizontal axis of a spindle, the sprocket cassette further being adapted to operatively engage with a chain so that, in operation, the chain remains in one vertical plane; and movement means adapted to move the sprocket cassette along the hub transversely relative to the chain.
GEAR SHIFT ARRANGEMENT
GANGSCHALTUNGSANORDNUNG
AGENCEMENT DE CHANGEMENT DE VITESSE
2017-12-20
Patent
Electronic Resource
English