We installed Wilbers LDC Nivomat front and rear suspension on a 2021 Harley-Davidson CVO Ultra. After riding the new Wilber's suspension on many different road surfaces, I can highly recommend this suspension and we decided to carry it right in the Law Abiding Biker Store. In this video, I give you my opinions about Wilber's suspension for Harley and compare it to several other name-brand aftermarket suspensions that I've tested over the years.
WHY WE CHANGED THIS HARLEY SUSPENSION:
The owner was not happy with the overall ride of this 2021 CVO, which came with the standard manually adjustable rear shocks that Harley has used for many years now on its touring models. He wanted a smoother ride and better cornering abilities, all of which the Wilbers LDC Nivomat front and rear suspension provides!
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We were absolutely blown away at how much smoother this Harley CVO Ultra rode and cornered after installing Wilbers front and rear suspension! We did not realize what a difference this suspension would make! We tested it through alleys, potholes, dirt, speed bumps, and railroad tracks. And wow, it was more than we expected and we highly recommend upgrading your rear Harley shocks to Wilbers! It even got rid of most of the bagger wobble while cornering at faster speeds. This Harley CVO just rode like a completely different bike!
You can get the Wilber's kit right in the Law Abiding Biker Store.
What is 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 1000 ft.
- The low-pressure chamber is located on the outside, the high-pressure chamber is on the inside. When an 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 setup. But if you have a bagger, then no one can see that they are different.
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. 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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