A bicycle 1 includes a front wheel 11 and a rear wheel 12. The bicycle 1 includes: a shaft 16 having a first gear 21 provided between the front wheel 11 and the rear wheel 12, a second gear provided to the rear wheel 12, a third gear 161 that engages with the first gear 21, and a fourth gear 162 that engages with the second gear; and a connection part 151 to which a gear crank 17 for rotating the first gear 21 is connected in an attachable/detachable manner and which transmits the drive force of the gear crank 17 to the first gear 21.
BICYCLE AND PRODUCTION METHOD FOR BICYCLE
FAHRRAD UND HERSTELLUNGSVERFAHREN FÜR FAHRRAD
BICYCLETTE ET PROCÉDÉ DE PRODUCTION DE BICYCLETTE
2020-10-07
Patent
Elektronische Ressource
Englisch
BICYCLE FRAME OR HANDLEBAR, PRODUCTION METHOD AND BICYCLE
Europäisches Patentamt | 2016
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