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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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Amazon.com : RINKMO Electric Bikes for Adults, 350W Folding Mountain Ebike with 10AH Removable Battery, Aluminum 26" Electric Bicycle Power Assist Bike with Dual Disc Brakes, Professional 21 Speed Gears : Sports
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