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Amazon.com : Mongoose Flatrock Hardtail Mountain Bike, 24-Inch Wheels, 21 Speed Twist Shifters, 14.5-Inch Lightweight Aluminum Frame, Blue : Sports & Outdoors
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Mongoose Excursion mountain bike, 24 inch wheel, 21 speeds, boys frame, black / orange - Walmart.com
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Amazon.com: Mongoose Exlipse Full Dual-Suspension Mountain Bike for Kids, Featuring 15-Inch/Small Steel Frame and 21-Speed Shimano Drivetrain with 24- Inch Wheels, Kickstand Included, Pink
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