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Products > single freewheel > Zispeed Transmission Technology Suzhou Co., Ltd | Similar Products

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Zsm3185b 3 Speed 500W Automatic Hub Motor for E-City Bikes, E-Fat and E-Cargo Bikes: existing hub motor with belt can not change speed. • The start gear adopts one-way clutch, can cut into the power at any angle, no empty pedaling, no ratchet noise. • Internal shift, no need shift ...

Zsm3185b 3 Speed 350W Automatic Hub Motor for E-City Bikes, E-Fat and E-Cargo Bikes: existing hub motor with belt can not change speed. • The start gear adopts one-way clutch, can cut into the power at any angle, no empty pedaling, no ratchet noise. • Internal shift, no need shift ...

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Zsm3185b 3 Speed 500W Automatic Hub Motor for E-City Bikes, E-Fat and E-Cargo Bikes