“In climatic chambers, the temperature can range from -30 ° C to + 40 ° C. They were shown to Teddy but it didn’t fit his needs. So he didn’t test them. » Nils Guéguen is responsible for research and development at the Décathlon Sports Lab in B’twin Village, Lille. Located on the old cigarette factory in Seita, this huge space is dedicated to cycling and sports. Given its morphology, cycling is not necessarily the favorite activity of the ten-time world champion in judo, but it is regularly practiced as part of its physical preparation.