Bicycle frame system with internal transmission embedded in five-way part of bicycle

The invention discloses a bicycle frame system with an internal transmission embedded in a five-way part of a bicycle. The bicycle frame system comprises a vertical pipe, a five-way part, a head pipe, a lower pipe, an upper pipe, a bottom fork and a vertical fork, and is characterized in that an ins...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SHI XINGYUN, SHI ZONGZE
Format: Patent
Sprache:chi ; eng
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