Jr Race Cars new Pro Series Beadlock Rear Wheels feature a interchangeable bolt-in disc, functional beadlock, 5-bolt hub for 1-1/4" diameter axle, and less than 1 lb difference from standard 3-spoke wheels. Includes: center disc,5-bold hub, beadlock ring, 8" wheel, and hardware. Beadlock rings are polished aluminum standard and available as a special order in blue, red and purple.