TANNUS Armour Tire Insert - 20 x 3.0-4.0" - Single closeout Compatible with most steer tube

Compatible with most steer tube tool kits

Reinforced material at the contact areas

to ride smooth

It's rechargeable and connects via Bluetooth to the companion Aleck phone app

TANNUS Armour Tire Insert - 20 x 3.0-4.0" - Single closeout Compatible with most steer tubeTannus Armour is the ultimate in tire protection and performance for all levels and styles of riding. Sitting between your tire and inner tube, the Tannus Armour provides 15mm of puncture protection on the top, as well as 2mm of sidewall protection from sharp objects and rocks. Whether you are a city biker, adventure tourer or prefer the off road, downhill or gravel trails, Tannus Armour gives you increased grip and vibration dampening for a smoother,