Custom Motocross Shirt Motocross Motocross Kits For Team Sale. Can I have a motocross dirt bike jersey personalized with my name and number? We never charge extra for adding different names and numbers to each custom motocross bike jersey, because we always print them as you want on them. We have our staff check and sort your motocross MX jersey name and number files prior to printing to ensure that each name and number is correct. We specialize in making personalized MX jerseys with names and numbers.