Skyhawk GT2A - anyone know seat post size?

[GasX]

Anyone know what the correct seat post size is for this frame?

TIA,

GasX

 

[GasX]

Anyone have this frame?

 

[wing nut]

hello,
it it 27.2 mm ...or 1 & 1/16 inch
i have one of these frames

 

[GasX]

thanks a bunch!@