Auxiliary bicycle shifting component

Details Auxiliary bicycle shifting component Auxiliary bicycle shifting component

2006-09-21

2010-10-05

Nguyen, John Q (Department: 3654)

Endless belt power transmission systems or components

Control for variable input to output speed-ratio

Including belt shiftable axially from one to another surface...

C474S082000

Reexamination Certificate

active

07806792

ABSTRACT:
A front derailleur is provided with an auxiliary bicycle shifting component to minimize reduction in downshifting performance when a chain is located on a chain-entry side of a chain guide. The auxiliary bicycle shifting component basically has a fixed part and a chain contact part. The fixed part is used to fix the chain contact part on the chain guide. The chain contact part is disposed on the chain-entry side of an outer plate of a chain guide of the front derailleur, and is configured and arranged to contact with a chain.

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