Speed switch mechanism for a bicycle

The invention relates to a twist grip shift operating mechanism on the bicycle handle bar, including an operating ring case used for tensing and loosing the cable, an indicator having a figure and a pointer for showing the current shift of the shift gearing device, wherein the indicator has a form c...

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Bibliographische Detailangaben
1. Verfasser: STUERMER JOACHIM
Format: Patent
Sprache:chi ; eng
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