The Fusée Fur of 25 Birel/CL and the 25 Birelart/CL Rocket AXE are essential parts for adjusting the front train grip of your kart. These Freeline spare parts are specially designed for chassis Birel Art, including Charles Leclerc, Birelart, Ricciardo, Kubica, and LGK models. They are ideal to adjust the grip of your chassis according to weather conditions, allowing you to optimize the performance of your kart on different tracks and under various conditions.