The bodies of the 125 “Racing” range are made of high-quality tubes following a production process marked by the highest professional standards. Each chassis undergoes painstaking quality controls both in relation to its structure and look. This property is Birel’s “hallmark”, ensuring the excellence of every single kart manufactured in Lissone. The various design proposals were developed to offer customers specific products based on individual needs such as driving features, circuits, tyres and engines used.