Portland-based ebike manufacturer Vvolt has actually revealed what’s declared to be the initial design in The United States and Canada to sporting activity mechanical automated 3-speed interior back center transmission. The mid-drive Course 3 experience additionally includes UL-certified batteries and carbon belt drive.
Marks: ebikes, Pedal-assisted
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发布者:Paul Ridden,转转请注明出处:https://robotalks.cn/belt-drive-commuter-ebike-auto-shifts-so-you-can-focus-on-the-ride/