Fall is a great time to ride your bike, and this LED modification will add an enormous amount of safety to your next trip.
I often ride bikes that end up not having working LED flashers, either because it’s a friends bike who doesn’t believe in safety, mountain bike, or the batteries are dead again. Since I always bring my camelbak with me on rides, I designed some LED flashers that are integrated into the bag.
Learn how to make a FlashBack: Backpack with integrated LED’s
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