Rear shock Matris M40D for BMW K 100 RT 83-91 / Dark (standard preload by ring / TM1 tool included)

Rear shock  M40D

The product shown in the photo is generic. Some characteristics (eg. attachments) can differ depending on the model application.

For the CUSTOMIZED CALIBRATION of the product, you must write in the order comments box: your weight with suit and helmet, the use you make of the motorcycle (road, track / road, track), precise model and year of the motorcycle. This information will help you get the product perfectly CALIBRATED for YOU and everything is completely FREE.

FEATURES:

The single-way “M40D” adjustable twinshock
The M40D is an adjustable hydraulic twin set with an internal pressurized expansion tank of Nitrogen gas (N2).
Single, easy to use, damping (Rebound) adjustment.
Where possible the length adjuster unit is also available.
The spring Preload is by millimetric ring.
Manufactured using only materials of high-end technical and mechanical characteristics with the objective of offering fine damping adjustment to ensure the greatest confidence, and excellent comfort.
Each click makes a perceptible difference to the damping.Nitrogen gas (N2) charging valve
The cylinder is made from Alu alloy, with lapped finish and oxidation surface treatment
40 mm diameter piston with flow dynamics specially designed for better control of the suspension movements
Spring in Si-Cr alloy Steel
High tensile alloy Steel 16 mm diameter piston rod, hard chrome coating, lapped finish surface treatment
Ride height adjustment option for some applications.
Range of length adjustment: 9 mm.
Fully re-buildable and re-valveable