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WONDER CORE Flex Cycle Indoor Stationary Bike with Comfortable Seat Cushion and Device holder, Foldable Magnetic Recumbent & Upright Bike for All Levels, Ultra Quiet Flywheel Spinning bike Core Training, Adjustable Resistance
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High school students' parody of Japanese “Wonder Core” ab-cruncher commercial goes viral【Video】 | SoraNews24 -Japan News-
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