72V 2000W MTX39 Rear Motor Wheel Conversion Kit with UKC1 Color Display. (with thread-on 7-speed freewheel. Reinforced MTX39 double-layer aluminum alloy rim,12G reinforced black spokes). 20" 24" 26" 27.5" 29" 72V 2000W Brushless Gearless Rear Hub Motor Wheel Dropout142mm (without tire and tube ).
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