This technology involves hollow moulding the wheel rim's inner and outer shoulders and the spokes using the flow forming method. The aluminium lips that are prepared at the casting stage are moulded into a hollow shape during flow forming using special tools on a rotating cylinder before being laser-welded together. This complex process results in up to 60% more resilience against deformation as well as reductions in weight, due to the hollow chamber construction, and wheel inertia.
