A Hungarian company has designed a bike that is powered by strings and not a chain.
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A Hungarian company built a bicycle that replaces the greasy chain with strings — here's how it works
The strings can last 2000km, they're easy to replace, and they don't need to be oiled.
The company says the bike is more efficient and cleaner than traditional bikes.
The strings can last 2000km and are easy to replace, watch the video to see them in action.
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