TannusArmour Tire Insert, No Flat Bike Tire Liner, Puncture Proof Bicycle Tube Protector, Stops Flats from Thorns and Goatheads Compatible with E-Bikes, Mountain Bikes, and More 20" x 3.0-4.0"

My ebike has 20x4 tire and I've had three Flats on the rear. A bit of research later an I picked up some Tannus Armour and some Slimed. I installed it on my rear tire in under an hour, not too hard if you follow the instructions, and so far so good after 3 weeks.

I have had this tire armor for 30 days without a flat. That's never happened before. Before I started using this brand of armor, I couldn't get through more than about two days max, and sometimes multiple flats per day. They're expensive, and a real pain to install, but once installed they have protected my tubes, and I ride a lot. The goatheads are so bad where I live, and have proven brutal on bike tires, yet these really did the trick. Gotta say thanks!

Doesn’t take up space. Good for quick flat fix. Easy to use. Good quality, I recommend.

I have used this product before and am happy and have not had a flat thus far. First Bike had for a year and never had a problem. Second Bike just installed tannis liner so hope I get same results.

Oui très efficace pour éviter les crevaison s'est mon deuxième que je commande ...par contre mon deuxième est arriver à la maison sans instructions ni sticker comparativement a la premier fois..