Patent ID: 11919607
Assignee: SHIMANO INC.
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 8:
9. The bicycle rear derailleur according to claim 1, wherein
the first arm of the base element has a first attachment opening through which the rear-wheel axis coaxially passes in a mounting state of the bicycle rear derailleur;
the first arm of the base element has a first minimum radial thickness around the first attachment opening with respect to the rear-wheel axis in the mounting state of the bicycle rear derailleur;
the second arm of the base element has a second attachment opening through which the rear-wheel axis coaxially passes in the mounting state of the bicycle rear derailleur,
the second arm of the base element has a second minimum radial thickness around the second attachment opening with respect to the rear-wheel axis in the mounting state of the bicycle rear derailleur; and
at least one of the first minimum radial thickness and the second minimum radial thickness is equal to or larger than 2 mm.