Im getting nothing but flat spots on my Monsoon PETG 16/12MM bends, I'm 90% sure this is down to the Bitspower 12mm inset that is so loose it just slips out the tube dry!
Has anyone here got some advice on what brand inserts work with the Monsoon 12mm ID PETG?
Has anyone here got some advice on what brand inserts work with the Monsoon 12mm ID PETG?