72V 2000W MTX39 Rim Rear Motor Wheel Conversion Kit 24'' 26'' 27.5'' 29''

72V 2000W 20" 24" 26" 27.5" 29" MTX39 rear wheel conversion kits with UKC1 Color Display. (with thread-on 7-speed freewheel. Reinforced MTX39 double-layer aluminum alloy rim,12G reinforced black spokes).

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