The XLK940C is a very popular combi ski. The 33mm wide front ratchet wheel allows for better skating characteristics, while the 40mm wide classic rear wheel increases stability. The composite shaft for the roller skis is made with six different materials. All six materials have exceptional vibration damping properties and three of the materials provide high strength and fatigue resistance.
The foundation for the XLK is a precision lightweight core that is wrapped with several layers of unidirectional fibers with tensile strength equal to carbon fibers, but with better vibration damping properties. We chose Kevlar™ for the biaxial sleeve due to its exceptional tensile strength and tenacity. The epoxy we use to bond the fibers to each other and to the core is 3X stronger than conventional epoxy. The Kevlar™ is protected from UV degradation by a 0.25mm thick polymer applied over the fibers and UV resistant epoxy. The wheel forks with the built in fenders use the same strong DuPont™ composite material that we have employed on the V2-900 series for many years.