MATRIS

Fichier téléchargeable(Aprilia RS4 125 11-16)

The F20K cartridge kit is a cartridge kit designed for intensive road or track use and competition. This kit is intended for those who wish to significantly improve the handling as well as the feel of their motorcycle, for both road and track use.
The F20K / F12R fork cartridge kits consist of the following components:
· Spacer at the bottom of the fork for quick spring replacement.
· Kit of 4 hydraulic valves (valve = set of flaps): 1 compression valve + 1 rebound valve + 2 anti-cavitation valves.
· Springs (stiffness according to use and rider weight)
· Bottom of stroke type "speed sensitive"
· Aluminum spacer
· Spring preload adjustment cap
· Hydraulic rebound adjustment
· Hydraulic compression adjustment
· Dedicated Motorex oil
· Plug and play installation without any modifications
Cartridge cylinder D 25 mm in Ergal 7075 (20mm for the F20K), with hard anodizing treatment. Pump rod D 12 mm in aluminum 7075, with hard anodic treatment against return spring.
Hydraulic end of stroke with cylinder D 16 mm in Aluminum 7075, with hard anodic treatment, housing at the bottom of the cartridge and adjusted by its own leaf spring with "Speed sensitive" progression curve.
Dedicated spring according to each model, with cataphoresis treatment. Adjustments: Spring preload mounted on axial roller bearings, with reference "click" and the possibility to adjust without using a tool.
Rebound, with reference "click", and compression, with reference "click" (complete valve replacing the original one included in the kit).
All internal and external components are made of Ergal 7075 aluminum alloy with anodic treatment.
The cartridge is supplied with fork oil specifically designed for racing use.