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Amazon.com : Speedrid 27.5" Electric Bike for Adults, 48V 350W/500W Electric Mountain Bike/Electric Commuting Bike with Removable 480Ah Battery, Professional 21/24 Speed Gears : Sports & Outdoors
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Amazon.com : Outroad Mountain Bike 27.5 Inch Wheel 21 Speed Mountain Bicycle for Men and Women, High Carbon Steel Frame Road Bike with Daul Disc Brakes Suitable for Sports and Commuting, Black&Red :
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