SERIES 75 Series 75 is our most popular and versatile system for lightweight solutions. Max door weight is 100 kg. Hangers are equipped with nylon coated and sealed ball bearing wheels, which are very suitable for interior use thanks to their silent running. Use examples: lightweight interior doors, folding doors and furniture, accordion type doors, protective curtains and tool hanging. Two tracks are available for this series: galvanised track K-075 and K-075 aluminium. All products from the K-075 series can be found here.