Review: Biologic Joule Dynamo Hub and Trelock Lights

Lighting is a crucial element for bicycle safety. While there are plenty of battery-powered lights on the market, they only last for so long before the batteries need to be replaced or recharged—plus you have to remember to bring the light with you! Dynamo hubs offer endless electricity, powered by your pedals. The only trade-off is that the small amount of rolling resistance you get while generating that electricity can be, well, a drag. A new hub from Biologic has a way to get around all that.

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Read our review of the hub and lights here.

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