Chosen is a Taiwanese hub manufacturer that is happy to work with you to bring your own projects to life. But that doesn’t stop them from bringing a few of their own clever ideas into existence either, and the Smart Hub is one of the more clever we’ve seen.
Inside is their Close Drive System, which allows the pawls to remain closed during freewheeling. When pedaling forces are applied, they open to engage the teeth on the inside of the hub shell, then immediately retract when not needed. The benefits are threefold: No pawl friction, no coasting noise, and the ability to freewheel forward or backward without moving the chain.
That latter feature means no chain drops from backpedaling. It also means you can pull your bike out of a crowded rack without having the pedals catch as they spin. And for folding bike owners, it means you can push or pull your folded bike in any direction without the cranks getting jammed up. Spin on down to see how it works…
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