A bicycle chain tensioner device is basically provided with a base member, a pulley and an electrical storage unit. The pulley is supported by the base member. The pulley includes a dynamo that generates electrical energy in response to the pulley being rotated by a bicycle chain. The electrical storage unit is disposed on the base member and electrically coupled to the dynamo to store electrical energy generated by the dynamo.
Bicycle chain tensioner device
2019-03-05
Patent
Electronic Resource
English
BICYCLE CHAIN TENSIONER, KIT AND BICYCLE INCLUDING SUCH A TENSIONER
European Patent Office | 2025
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