The invention
Power transmission device
The invention
- Name of invention
- Power transmission device
- Dispositif de transmission de puissance
Invention description
- Description
- It is a lightweight electric or manual bicycle with pedals and rear wheel connected to axle with the world's best and first continuously variable transmission without a chain, showing the world's best climbing ability and speed.Lightweight electric or man
INVENTORS
Tae-hwan Ha inventor 3701023601_3952
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