Battery-free auto-shifting system is powered by the cyclist’s pedaling

The Shimano Q'Auto system gets all the juice it needs from a dynamo in its freehub

While automated gear-shifting for bikes isn’t uncommon, such configurations commonly need batteries that need to be regularly charged. This is not the instance with Shimano’s brand-new Q’Auto system, nevertheless, as it makes use of the motorcyclist’s very own pedaling power.

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Group: Bicycles, Transport

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发布者:Ben Coxworth,转转请注明出处:https://robotalks.cn/battery-free-auto-shifting-system-is-powered-by-the-cyclists-pedaling-2/

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