The high technology of SYEGON at the service of the public This brand new on-board inflation system with external or internal air holes makes it possible to tackle all the difficulties associated with sand, mud or snow, without any apprehension, or more simply the difficulties encountered by those who use their vehicles on roads and on tracks. The externally mounted, compact system enables the wheel valves to be fitted and removed quickly. Its low cost makes it accessible to all long-distance rally enthusiasts, but also to all those who wish to tackle the difficulties of great deserts...