The Tannus Armour Tyre Insert 20 x 3-4" offers comprehensive puncture protection for all riding styles, ensuring a smooth and secure ride. Made from the patented Aither multi-cell foam, it provides 15mm of top and 2mm of sidewall protection, preventing punctures, rim damage, and pinch flats. Its design allows for lower tire pressure, enhancing grip and comfort without compromising speed. Easy to install and maintenance-free, the Tannus Armour is the ideal choice for cyclists seeking reliability and performance.