Cysum X-City City E-Bike Elektrofahrrad 48V 10.4AH Hydraulic SHIMANO 7-speed. Motor: 48V 250W rear hub, 45 N.m. Battery: 48v 10.4Ah Lithium-ion portable. 2 riding modes: fitness riding mode and power assist mode（Throttle mode is optional, you need to install the throttle yourself）.
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