Virtually Eliminates Flats Tannus Armour wraps around your tube. With up to 15mm of protection, sharp objects can't penetrate your inner tube. Never Stop Riding In the unlikely event you do get a flat tire, you can still ride for a limited period of time. More Than Flat Protection Tannus Armour's design also helps protect your rim on those big drops and hard hits. Better Handling Ride The Tannus Armour sidewalls help stabilize your tires on corners and cushion the ride for more comfort. - Easy installation - Reduce punctures risk - Protects your rims from impact and sharp object penetration - Sidewall protection - Ideal For E-bike and MTB