●Rear Dropout Size(mm):170-175mm. 1000W Rear Hub Motor. ●Rated power (W): 1000W. ●Motor model: EW-09RX. ●Construction: Gear. ●No load speed (rpm): 436 ± 15. ●Rated speed (rpm): 360 ± 15. ●Speed (km/h): 50-55km/h.
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