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Amazon.com : Heybike Mars Electric Bike Foldable 20" x 4.0 Fat Tire Electric Bicycle with 500W Motor, 48V 12.5AH Removable Battery, Shimano 7-Speed and Dual Shock Absorber for Adults : Sports & Outdoors
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Amazon.com : Electric Bike for Adult, Vivi 26" Electric Mountain Bikes 250W/350w Motor Electric Bicycle for Adults, E-Bike for Men & Women, Professional Shimano 21 Speed Gears with Removable Lithium-Ion Battery :
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