Motiv Bowling Balls. Motiv manufactures High Performance, Mid Performance, Entry Level, and Polyester bowling balls. Motiv is the only company to offer full size cores in all of their bowling balls. This is a huge game changer for youth bowlers looking for true performance instead of just a pancake core. Women bowlers, seniors, and anyone who is injured and looking to get back up to weight will appriciate the full size cores in lighter weight balls. Are you ready to bowl? Well then, Get Motivated!!!