They allow your original fork to work with much more rigor. They limit the effect of "diving" during braking phases and prevent your fork from coming to a stop. They also improve the comfort on the bad coverings and small displacements thanks to their setting of start of race "soft". They are made from high quality chrome silicon steel and come with a 29 year warranty!These zero friction springs benefit from? A surface treatment by vibro-abrasion, also called trowalization. This treatment significantly reduces friction, which provides better responsiveness and sensitivity. Your fork oil will retain its qualities for a longer period. They are studied to come in place of the original elements. The wilbers springs are delivered quickly. Quantity to be expected: 1x liter. Recommended air gap: 130 mm. Fork oil recommended for your bike. Choose your oil to order. In order to avoid any delivery error, it is preferable that you fill out the information form, by clicking on the corresponding image below. And must be done before adding the product to the cart. The specialist motorcycle fork springs in France, the best prices, the best service at mecadata. The item "wilbers fork yamaha xvs 1100 drag star 1998+ progressive" is on sale since Wednesday, April 30, 2014. It is in the category "auto, motorcycle parts, accessories \ motorcycle \ spare parts \ suspension, steering \ shock absorbers ". The seller is "mecadata-france" and is located at 57460, behren-les-forbach. This item can be shipped to the following countries: America, Europe, Asia, Australia.