Suspension forks give you comfort and control,the better ones have damping systems with rebound and compression adjustments the cheaper ones rely on a coil, this can sometimes save weight but they tend to be oversprung.Long travel forks are mostly used on dual suspension bikes designed for challenging terrain where traction and control is paramount.A suspension fork is a mechanical device that has moving parts. As with any product with moving parts, regular maintenance and cleaning will not only maintain consistent performance, but will increase its life. Special care must be taken not to damage external and internal parts. Keeping additional 'rinse' water out of the fork is important