Wilbers LDC Nivomat Shocks – Always the Right Level with Maximum Comfort!

What is the LDC Nivomat?

The LDC shock absorber consists of two separate oil chambers, one large diameter piston rod, a mechanical pump with a pressure valve and a short external suspension spring.

With the oil chambers, a distinction is made between external low-pressure and internal gas-assisted high pressure chamber. When weight is put on the shock, the rod automatically pumps the oil from the low- into the high-pressure chamber. At the same time the piston rod is pushed out of the damper. This pumping process takes only as long as it takes to balance the bike. The shock absorber settles to the correct level after driving about 300 m/1000 ft.

The low-pressure-chamber is located on the outside, the high-pressure-chamber on the inside. When extra load is applied to the bike, the rod pumps oil from the middle of the low-pressure-chamber to the high-pressure-chamber – the shaft rebounds and the spring rate increases progressively.

With the LDC Nivomat Twin Shock system, the system functions are divided into two individual components. The Ecoline shock absorber is equipped with a spiral steel spring and takes over part of the overall damping. The Nivomat provides the level control and adjusts the spring rate and the additional, variable damping required depending on the load. The rider doesn’t need to manually adjust anything.

This is why the two shocks look different in the twin shock set up. But if you have a bagger, then no one can see that they are different. And if you don’t have a bagger, then it can be an interesting topic of discussion with your riding buddies. There is also a single shock option for some mono-shock bikes.

The Wilbers LDC in detail :

The Wilbers LDC shock absorber is a fully automatic hydropneumatic levelling system which is self-activated based on the well-known technology of the ZF Nivomat system.

The rider does not have to manually adjust anything in this system.

The main advantage of the Wilbers LDC is its unique combination of the self-levelling function and the progressive action of the gas-spring and damping.

The levelling, the adjustment of the damping and the gas-spring are all housed in one unit. Activation and control of the unit happens mechanically and hydraulically.

The Wilbers LDC is activated and ready to go from the start.

How it works :

The LDC Nivomat system is pre-set in a way that it reaches the pre-defined position for solo use immediately. This is approx. 1/3 of the total shock travel. In this condition the system operates on a reduced spring rate and damping compared to a conventional shock absorber and as such provides maximum comfort for solo riders without the rebound bounce.

Adding a passenger and/or luggage causes the bike to sag and to negatively affect the vehicle geometry. In this case it would normally be necessary to preload the spring on a “standard” shock absorber, but this only adjusts the overall level. The necessary adjustment of the spring rate and damping does not take place.

After driving a distance of approx. 300m/1000 ft with the rider, passenger and/or luggage, the LDC shock raises the vehicle back to the pre-defined level. The inner pump rod has pumped oil from the low-pressure to the high-pressure chamber. Due to the increased high pressure, the vehicle is lifted to the pre-defined level. At the same time the gas spring rate has been adjusted to the load as well

The adjusted level position, vehicle geometry, spring rate and damping are all kept constant during the entire ride, ensuring maximum comfort and driving safety.

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