White Ecco 17″ Frame 26″ Wheel Pedal Assist Hidden Battery Electric Mountain Bicycle Bike

Frame is 43cm (17*) but the saddle can add up to 20cm (7.87″)
Frame Construction: Aluminium Alloy, Gear Range: Nexus 7-speed 21 gears
Battery: Li-ion, 36V 6.6Ah Samsung. Battery Charger Input Voltage: 100-240 Volt AC;50/60Hz

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