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How Does a Bicycle Hub Work?

Ever wondered how your bicycle keeps moving even when you stop pedaling? In this video, we’ll explain how a bicycle wheel hub and freewheel mechanism work — step by step.
You’ll see how the hub transfers power from the chain to the wheel, how the freewheel allows coasting, and what makes this simple design so efficient.

From bearings and pawls to the ratchet system, we break down every part clearly using 3D visuals so you can finally understand the science behind your bike’s motion.

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