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For all the eco enthusiasts out there, riding the Re:Energy Bicycle can double the efficiency of your environmentally conscious activities.

The juiced up two-wheeler has ditched the retro spokes, swapped in a coil set, a generator and a battery in their place, and capped it all off with neon green recycling symbol. Designed by Jinsik Kim and Boseung Seo, the Re:Energy Bicycle harnesses your pedaled input energy so you can charge your cellphone and laptop, ecological footprint-free.

Photo Credits: design.architecture.sk, designboom