The Tannus Armour Insert 20 x 4.0 is a tire insert designed to protect your bike's inner tube and rim from punctures and impact damage. It is made from a lightweight, high-density foam material that absorbs shocks and vibrations while you ride. The 20 x 4.0 size is designed to fit on fat tire bikes with 20-inch rims and 4-inch-wide tires. The Tannus Armour Insert is easy to install and requires no special tools or modifications to your bike. Simply remove your tire, insert the Tannus Armour Insert between your tire and inner tube, and then re-inflate your tire. Once installed, the Tannus Armour Insert provides an additional layer of protection for your bike's components, which can be especially useful when riding over rough or rocky terrain. It also helps to prevent flats caused by thorns, glass, or other debris on the road or trail. Overall, the Tannus Armour Insert 20 x 4.0 is a durable and reliable option for anyone looking to protect their bike from damage and improve their riding experience. Tannus Armour is an insert the wraps around your tube inside of your bicycle tire. Tannus Armour provides 15mm of puncture protection on the top, as well as 2mm of sidewall protection. At the heart of Tannus is our patented Aither Technology. Aither is a multi-cell foam compound that forms the structure of the Armour. The Tannus Armour Tire Protection Insert 20 x 4.0 is a tire insert designed to provide extra protection to your bike's inner tube and rim from punctures and impact damage. It is made from a lightweight, high-density foam material that absorbs shocks and vibrations while you ride, improving your overall riding experience. This particular Tannus Armour Insert is designed to fit fat tire bikes with 20-inch rims and 4-inch-wide tires. The insert is easy to install and requires no special tools or modifications to your bike. Simply remove your tire, insert the Tannus Armour Insert between your tire and inner tube, and then re-inflate your tire. Once installed, the Tannus Armour Insert provides an additional layer of protection for your bike's components, which can be especially useful when riding over rough or rocky terrain. It helps to prevent flats caused by thorns, glass, or other debris on the road or trail. The Tannus Armour Insert also helps to protect your bike's rim from damage caused by impacts or rough landings. Overall, the Tannus Armour Tire Protection Insert 20 x 4.0 is a durable and reliable option for anyone looking to protect their bike and improve their riding experience. It is a great choice for fat tire bike riders who want to ride with more confidence and peace of mind. • ELIMINATES 90% OF ALL PUNCTURES• RUN-FLAT TECHNOLOGY • EASIER INSTALLATION SIZE 20 X 4.0
