Fork cartridge Aprilia RS4 125 Matris F20K kit

The Matris F20K asymmetrical hydraulic fork cartridge kit offers a new level and standard of quality: complete kit to replace all the internal components of forks that already have a good stock adjustment level. It allows you to transform a traditional non-adjustable fork into a fork with sporting characteristics, fully adjustable in spring preload, and in the separate functions of compression and rebound, allowing greater customization of calibration and set-up. The Matris F20K kit allows accurate set-up customization for each rider, making the fork more precise, more adjustable and easier to use.

Matris F20K asymmetrical fork cartridge kit features:

• Ergal (Al7075) cartridge cylinder diameter 20mm with lapping and anodizing treatment
• Ergal (Al7075) pumping rod diameter 12mm with lapping and hard anodizing treatment
• set of compression, rebound and anti-cavitation valves diameter 20mm in Ergal (Al7075)
• self-lubricating sliding bearings and specific shims stack guarantee total control of the hydraulics
• linear springs in steel alloy (Si-Cr) available in different rates
• adjustable compression and rebound
• spring preload adjustment with reference indicators and compression and rebound flows through clicks
• assembly of the kit does not require any modification of the original fork
• complete kit with specific grade fork oil (Motorex Fork Oil)

NOTE: only fit models with radial brake caliper