TMM Motors - NUVINCI HARMONY H|SYNC, the electric automatic gear shifter. It allows to set desired pedal cadence and automatically adjusts according to terrain conditions. The ultimate in performance and technology. More
Nuvinci H-Sync Auto Shifting with Belt-Drive - Propel Electric Bikes
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Nuvinci Enviolo Lead H-Sync Interface Automatic Wiring Hirose Cable New | eBay