While automatic gear-shifting for bikes isn’t unheard of, such setups typically require batteries that have to be frequently recharged. This is not the case with Shimano’s new Q’Auto system, however, as it draws on the rider’s own pedaling power.
Tags: shimano, Cycling, Pedaling, Electronic Shifting Systems
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/
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