Shackles? All those do is connect the springs to the frame. What sort of innovation can there be related to shackles? This is a valid question. Shackles are the least glamorous component of a ...

Leaf springs are one of the oldest forms of suspension. For hundreds of years, leaf springs have been used on automobiles, carriages, trailers, and so much more—and they’re still in use today. On the ...

The practice of reversing a spring's eyes is one of the most traditional modifications going. If you don't know, spring eyes are the loops at the ends of a leaf spring. They attach to either the ...