Former NBA center takes up vintage motocross and needs size 21 MX boots.



PACERS: Rik Smits Makes Jump into Competitive Motocross



Three years after his retirement, Smits has jumped, literally, into another passion from his youth motocross.





"It's something I always did as a kid, riding bikes, I never raced them. Now, I get to race them with a bunch of older guys, usually my age and older," said Smits. "It's fulfilling a childhood dream, I guess."