As I am sure your aware there is a huge street riding scene in Poland at the moment and has been for quite some time!
There seems to be some fantastic bike frames and parts available from some relatively small companies.
One such company is called ILL Bike, who has a great 24” frame called the “Peanut”.

The frame itself looks great and if you see one in the UK is incredibly rare. Ill bike will deliver their bike frames to the UK and are available from there online store at illbike.com and you can also connect with them on the face book page at www.facebook.com/ILLBIKE

The frame is available in one colour (Black) and is made from steel 4130. The frame is reasonably priced at around $276 and the full spec of the frame is below;

Top tube length 550mm
Chainstays length 350mm
Angle headset (430mm) 74
Angle 74,5
Hubs spacing 110×14
Inserts distance 135mm
Headset is Integrated
Seatpost clamp Integrated
Max Tyre clearance 2,1 (58mm)
Seat post size 27,2

Images from illbike.com