This theory of the u-joint has been around since ancient times, but a real working universal joint wasn't offi cially created until the 1670s by scientist and inventor robert hooke. 0:00 / 0:00 ...

Tekton sells all the universal joint sockets we've come to expect (¼, ⅜, and ½ inch), in both a u-joint style set, and individually, in steel ball and spring form. All of those have great ...

The trunnion on the Super Joint is some 5 percent larger than a Dana 60 joint (0.935 versus 0.892 inches). Still, a needleless or bushed U-joint is not for every four-wheeler.