Originally Posted by rich
The smaller bottle.
If you need 232 bar in the buddy bottle, then the 12 litre bottle with 232 bar in it will struggle to give you just one fill. Think about it. You can't make pressure where there is none, and air will flow from a high pressure point to a lower one.
was going to swap my 300bar bottle for the 12ltr 232 bar bottle not going to now