Development of Bicycle Generator Hub Dynamo Using JMAG

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Takeshi Fujiwara, SHIMANO INC.


Our company uses JMAG for design development of bicycle generator to power lights. The generator built into the hub is called Hub dynamo. This structure is a single-phase claw pole generator, when enough power is required from low rotation rate. Bicycle products also must be small and light. Our company introduces Hub dynamo developed by JMAG.

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