Fly Motocross Jerseys for Dirt Bike Riding Gear. Can a motocross dirt bike jersey have my name and number printedon it? We never charge extra for adding your names and numbers to each custom motocross bike jersey because we always print them exactly how you want them. Before printing your motocross MX shirt, our staff checks and sorts the name and number documents to ensure that each name and number is correct. Our expertise lies in the placement of names and numbers on customized MX jerseys.