Fork cartridge Aprilia RS4 125 Matris F25SA kit

Matris F25SA hydraulic fork cartridge kit: perfect for sport bikes and maxi naked for race and fast-road use. This Hydraulic cartridge kit completely replaces the existing original fork internals allowing a full adjustment of compression, rebound and preload. Normally provided as symmetric system with compression valve units on the bottom: in case of asymmetric system the cartridge is provided using the innovative “quad-valve" system. In any case it allows a great range of adjustment as required under racing conditions: performance, handling, stability and damping sensivity are significantly increased. Each adjustment click makes a difference to the damping. All the components are made from Alu alloy with oxidation surface treatment with the focus to ensure long wear life. The kit is supplied with specific high sliding fluid. It is fully and easily overhaul for proper and regular maintenance. Plug & Play The cartridge kit is supplied ready to fit and no modification to the original fork is required for the assembly.

Matris F25SA fork cartridge kit features:

• Ergal (Al7075) cartridge cylinder diameter 25mm 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 25mm 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)