The Matris FKS spring kit consists of two springs available in different stiffnesses (depending on the use and weight of the rider) and two spacers, as well as a specific oil can. These kits install without modification on your motorcycle.
This kit allows for a lower cost to make your roadster or touring bike more enjoyable and more efficient, limiting the bottoming-out phenomena that are too present originally on some motorcycles.
The FKS fork kits consist of the following elements:
- Springs (depending on the use and weight of the rider)
- Aluminum spacer ·
- Specific oil can included
The higher range than the FKS kit is the FKE kit, which additionally allows for adjusting the spring preload thanks to an adjustable cap, and has a flow diverter (hydraulic brake).