Sport-Tiedje, the big German retailer of fitness equipment, has signed a contract with Karstadt Sports to install concessions at 21 of its stores. These will be special areas of between 60 and 110 square meters, manned by three employees, that will sell its products. Founded in 1984, Sport-Tiedje has 45 stores in Europe, including 22 in Germany. The others are located in Austria, Switzerland, Belgium, Denmark, the Netherlands and the U.K.  Since 1999, it also has an online store in 12 different languages that took more than 300,000 orders in 2015. Last year Sport-Tiedje took over a major British retailer of home fitness equipment based in Glasgow, Powerhouse Fitness. Reportedly, Sport-Tiedje recorded total sales of €97 million last year.