NAMZ offers heat-shrinkable connection sleeves to secure and insulate the electrical connections of motocross harnesses, enabling clean, long-lasting connections to be made without soldering or with connection reinforcement, depending on the model, thanks to a sheath that shrinks under the effect of heat to perfectly envelop the wires and create a watertight protection, while guaranteeing excellent resistance to vibration, dust and humidity, improving the reliability of the electrical circuit and extending the life of installations in demanding off-road conditions.