Contains Dust Seals x2, Needles x1, Pins, Collars – Flanged x2, Pins, Collars – Plain x1 FACTORY LINKS kits contain all elements required for lower shock absorber renew. The needle bearing, pin and oil seals are specifically manufactured in order to reach OEM quality requirements, in terms of materials, dimension tolerances, hardness and surface roughness. This brings your bike back to its former condition as defined by the manufacturers. 52100 High Grade Steel Pins Nitrile Butadiene Dust Seals