Originally Posted by rekmeyata

I have a touring bike with 27 1/4 tires, in the rear tire I put a Panaracer 30mm wide FlatAway liner and it fit just fine though I had to cut off about 4 inches on the end.

The FlatAway liner is superior to the Mr Tuffy liner in terms of preventing flats. I took a nail tack and pushed it through a Mr Tuffy I had with little resistance, I then tried that with a FlatAway and could not penetrate it! I even, don't do this unless you're nuts like me, placed my thumb over the top of the FlatAway liner where the nail was so I could exert more force on the tack and still could not penetrate it thankfully! Then I cut a piece of the Mr Tuffy with scissors and it cut like butter, but the FlatAway liner was so tough to cut it took many hacking attempts and by the time I was done my hand was hurting. The FlatAway liner weighs about 60 grams less each vs the Mr Tuffy; the FlatAway also has a sticky side that sticks to the inside of the tire so you don't have to fight with the liner to get it stay in the right position as you put the tube in and blow it up, with a Mr Tuffy you're never really sure if you have the liner exactly centered on the tread; but that FlatAway sticky side means you can't transfer the liner from one tire to another like you can the Mr Tuffy.

The other day I got a piece of wire embedded in my rear tire, it never made it through the liner. I use to live in the Mojave Desert of California where Goatheads roamed freely, and those Goatheads would penetrate a Conti Gatorskin tire and a Mr Tuffy liner. After living there I found the Mr Tuffy not to be so tough.