A drive arrangement for a bicycle (10) includes a crank having a crank mounting portion, a front sprocket having a front sprocket mounting portion attached to the crank mounting portion and a front chain (44) engaging portion, an axle assembly (190), a plurality of rear sprockets (C1, C2) located about an axis of the axle assembly (190), a chain (44) configured to engage with the front chain (44) engaging portion of the front sprocket and the plurality of rear sprockets (C1, C2), a gear changer having a gear changer mounting unit (144) located about the axis of the axle assembly (190) and having a first mounting portion spaced apart from a second portion mounting portion. The gear changer is configured to move the chain (44) between an axially innermost rear sprocket (C1, C2, C5) and an axially outermost rear sprocket (C1, C2, C5) and a control unit is configured to control movement of the gear changer.
DRIVE ARRANGEMENT FOR A BICYCLE
ANTRIEBSANORDNUNG FÜR EIN FAHRRAD
AGENCEMENT DE COMMANDE POUR BICYCLETTE
2020-08-26
Patent
Electronic Resource
English