Visibility is key when traveling manual-style on your bicycle. So keep yourself safe and save some money by creating your own LED bike lamp, for WAY less than a $200 Cateye commercial product.
My word, that's bright. Just check out the test shots.

Visibility is key when traveling manual-style on your bicycle. So keep yourself safe and save some money by creating your own LED bike lamp, for WAY less than a $200 Cateye commercial product.
My word, that's bright. Just check out the test shots.

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