This results in an increase in spring rate and gives the fork its progressive feel.

This must have been caused by the weight distribution and spring rates.

The effective spring rate of the bar is determined by its length, cross section, shape, material, and manufacturing process.

High spring rates are used for more predictable weight transfers.

An example of a linear spring rate is 500 lbf/in.

This is as opposed to simply measuring the spring rate alone.

Wheel rate is usually equal to or considerably less than the spring rate.

They have the advantage that the spring rate can easily be made progressive (non-linear).

This allows small changes in ride height with minimal effects on the spring rate.

As a result of specialized design and packaging, changing spring rates often requires a custom unit.