A folding bicycle comprises a bicycle frame 2, a cassette 5 comprising at least two sprockets and a derailleur assembly 8 attached to the bicycle frame 2. The derailleur assembly 8 comprises a guide pulley configured to interact with a chain, and a parallelogram derailleur configured to shift the guide pulley and chain between the at least two sprockets. The folding bicycle additionally comprises a chain tensioner arm 4 attached to the bicycle frame 2. The derailleur assembly and the chain tensioner arm are independently attached to the bicycle frame.
CHAIN TENSIONER
KETTENSPANNER
TENDEUR DE CHAÎNE
03.07.2024
Patent
Elektronische Ressource
Englisch