The FRK fork kit improves the functioning of the original fork (equipped with cartridge). Easy to assemble and adjust, improves comfort, dynamic performance and front-end stability, making the fork more precise.
Matris FRK Showa BP Fork Level 1 Spring Kit for the Honda CBR600RR (2013-2017)
- Brand: Matris
- Product Code: FH232RK-BP1
- Availability: 4-6 Weeks
- Stock Quantity: 0

The FRK fork kit improves the functioning of the original fork (equipped with cartridge). Easy to assemble and adjust, improves comfort, dynamic performance and front-end stability, making the fork more precise.
First step to modify the fork hydraulic valves of “BPF” System Showa fork 41 & 43 mm.
• Billet Aluminum 7075
piston with pre-asssembled shims stack to control the hydraulic
Compression and Rebound flows to improve performance and granting more
feeling.
• Sealing bands with high sliding coefficent.
• Specific compression valve spring (as a replacement of the original one)
• Fork kit supplied with a bottle of specific low viscosity fork fluid for a long high performance (Motorex Fork Oil).
| Make | Model | Years |
|---|---|---|
| honda | cbr600rr | 2013 - 2017 |
Tags: Matris, FRK, Showa, BP, Big, piston, Fork, Spring, Kit, Honda, CBR600RR, 2013, 2017



