DG18-240 bürstenlosen mit Getriebeschub König electri

(1) High reliability; (2) Exclusive use of ratchet pawl type clutch with reliable structure and power-saving coasting; (3) Exclusive use of special new technology (high temperature resistance, high strength, high precision and large module), making the service life of the gears longer; (4) Ultra-wide high efficiency platform, better after effect and more collocated bicycle models available; (5) Dedicated maintenance-free lubrication system;