Fat Bike Tire Tube Protectors - Mr. Tuffy 4xl (Fits: 26"/29" X 4.1"-5")

Mr tuffy's work well definitely worth the money, I wouldn't ride without them!

My plan, is to SNIP/CUT both included Liners in half to fit 13 inch wheels.., in-effect creating FOUR Small Liners, which should FIT my Pride PX-4 Mobility Scooters set of Four 13" x 4.00 fat tires, making my Fat-Tire Liner purchase TWICE as Economical! (s.m.a.r.t.) I only had to buy one set $ not TWO! $$*Too bad, there won't be enough Length Left-Over to line my (5th) Spare Tire, too? Still, I am very pleased,I also purchased a Gallon of Slime and 2 spare inner tubes, so, I am Ready for ANYTHING the road throws at Me!

I put these in my electric fat tire build to prevent having to fix flats. I took my bike out for an inaugural 20mi beat down on some local powerline trails and they seemed to do the job I expected them to do. I actually did get a flat from a big old nail on the trail but I never expected these to keep nails out. Luckily I had a patch kit with me. What these did do was keep the stickers and thorns from causing me flats. That's exactly what I bought them for. These aren't space age Kevlar or anything. They are also pretty heavy. I didn't have as bad a time installing as some people. I just kept the tires on the bike and the tube slightly inflated and stuffed them between the tire and the tube. All in all I'm very glad I got these because flats suck! I will update if these things don't hold up.

I live in LA with lots of thorns and stuff that can make a tire pop but as soon as I put in 2 pairs of pads in each 20x4 tire I was saving money like crazy.Pros: small weak nails and glass shards don't puncture but they stick to the tires so make sure you remove them before speedingCons: 1.kinda hard to install them if you're a beginner2. No matter how fast your bike is the pads will decrease your speed by 5 or 6 mph but the protection is worth it3. Replacing a tube that was punctured with the pads on will be hard work to fix if you don't have the patients4: avoid riding in over heated zones because the pads will melt inside and will ruin both tube and tire

No more flats from unwanted thorns since I live in southern Arizona where every tree & every bush has thorns. Thorns are 97% of flat tires the other 3% are rare occurrences such as nails, screws & other sharp metal objects will still give you a flat tire regardless. I now have over 200 miles without any unwanted flat tires where before I got two flat tires in less than 45 miles without the Mr tuffy tire liners. I can ride with confidence that I will not get stranded...

No flash yet and as expected after having seven flats in five weeks it was time to do something figured I’d try the Tuffy liner as of yet it seems to have works great by now it would’ve had two flats since I installed it is a house across the street from where I live the school construction in somehow they’re dragging nails and debris end of the road and I get flats I had seven flats in the last five weeks since I installed Mr. Tuffy zero flash and it’s been two weeks highly recommend the product

I ride in an area infested with sand burs and goats heads. Even pick them up riding on the street. Tried slime and slime tunes, waste of money. These work great, so far nothing has left me stranded.A more affordable and just as good alternative to the mousse liners

Had a flat on my first day, no other in over a month now. Could be thicker, there's plenty of room for that