These rear load wheels are sold as a pair and were designed to bolt directly onto a rear wheel center hub. These give better cabinet clearance when loading and unloading the race car. This design was rendered off of a Weld Racing hub. They are strong enough to carry the full load of a COMPLETE car with engine rolling in and out of the trailer. We have used these for 3 years now, loading in and out at the track, and traveling up and down the road. I mount them to bent hubs I no longer race with.
