>>1566134purpose built fixies do exist, some high end, some on the lower end
>That's not drivetrain vs drivetrain.a fixed gear drivetrain by itself tends to be lighter
it's not really fair to compare modern purpose built road bikes against cheap converted vintage road bikes
we've had similar arguments before, some deranged anons insisting that 3 speed internal gear hubs are so damn good, but in reality they are found on BSO dutch bikes and the spread between ratios is high and the internal gear hub itself weighs a lot