The invention relates to a rocker arm (10) for a bicycle gearshift comprising an inner plate (11) and an outer plate (12), an upper wheel (13) and a lower wheel (14) arranged between the inner plate (11) and the outer plate (12) and configured to engage a transmission chain (100), said upper wheel (13) being rotatable about a first rotation axis (X1) and said lower wheel (14) being rotatable about a second rotation axis (X2), said outer plate (12) comprising a radially outer portion (15) with respect to said first rotation axis (X1) provided with an active surface (19) and with an auxiliary surface (20). The auxiliary surface (20) is circumferentially after said active surface (19) and said active surface (19) projects axially more internally with respect to said auxiliary surface (20).
ROCKER ARM FOR A BICYCLE GEARSHIFT
KIPPHEBEL FÜR EINE FAHRRADGANGSCHALTUNG
BRAS CULBUTEUR DESTINÉ AU CHANGEMENT DE VITESSE D'UNE BICYCLETTE
2024-01-31
Patent
Elektronische Ressource
Englisch
IPC: | B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer |