Biltwell's Bonanza helmet is made in polycarbonate and comes in 6 different sizes. There are almost 20 different graphics faithful to Biltwell's retro collection - classic helmets by excelency. They do not have the European homologation, only the american DOT. Very comfortable and with sizes a little bigger than the matching European models. If you are looking for an economic retro helmet, this is a great option.
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