The Matris M40D rear shock absorbers are upgrade rear shocks designed for a high level of rear suspension improvement on Custom/Classic bikes. Made to suit your specific riding weight and style.
Quality and simplicity is key with the M40D series rear shocks and they are equipped with easy to use adjustments of Spring Preload, Hydraulic Rebound and Ride Height. The end result is a far superior handling experience for both rider and passenger.
Key shock details include: Nitrogen gas (N2) charging valve. Millimetric ring Spring Preload Adjustment. Cylinders made from Aluminium alloy with lapped finish and hard oxidisation surface treatment. 40mm diameter pistons with flow dynamics. High-tensile 16mm alloy-steel piston rod with hard chrome coating, lapped finish surface treatment. Springs in Si-Cr alloy steel. Hydraulic Rebound adjustment via knob or screw depending on bike model. Ride Height adjustment (9mm).
In many cases Matris can even supply the shocks in a different length to suit rider requirements, please ask us for details.