Mille Miglia wheels are gravity cast they are not forged. This is why the price is so reasonable.
RS4 replicas are gravity cast (this allows the price to be lower)
OEM RS4 wheels are low Pressure cast this is just a step up from gravity cast Most OEM wheel are done like this and I have noticed the VW alloys seem to be on the soft side Many corrado owners complained of either bent or cracked rims and I even bent one of my Enkei wheels on my passat. the Wheels are very light but they are not very strong.
A forged wheel can be bent depending on the thickness of the wheel.
I bought some Speedlines for my passat with flow formed rims and cast center this is better than low pressure and the flow forming proccess is almost as strong as forging which is the Best manufacturing process.
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