I've seen genuine Gios frames without the cut out on the seat stays. Back in the eighties. So it could possibly be genuine. Dare I say, like many frame builders, they've been through various periods of prosperity, where they used in-house builders, outsourced builders, bought frames in etc.
Just to add my little bit in here.....
I've seen genuine Gios frames without the cut out on the seat stays. Back in the eighties. So it could possibly be genuine. Dare I say, like many frame builders, they've been through various periods of prosperity, where they used in-house builders, outsourced builders, bought frames in etc.
Just my opinion !