Tube Sizes

[Para5-0]

I noticed that there are 26" x 1.5/2.2 and 26" x 1.95/2.5
I ride the Panaracer fire pro XC 2.2
Is there a particular size that works better? I see the latter puts the tube size in the middle as opposed to the upper end.
Sorry if this is a rookie question, but I have had three pinch flats in three weeks, I have to up the preasure to mid 40's to prevent this, as per tube reviews. Any thoughts would be great.

 

[stb222]

26" x 1.95/2.5 will give you alittle more room before you pinch flat since the tube is not stretched to its max. Double check that you don't have a thorn or glass in your tire.