Tannus Armour Tire Inserts Option:20 x 3.0-4.0 Single 7 is a lightweight stem

7 is a lightweight stem with clean aesthetics

as well as smooth seams

3/16" (5MM) highest quality urethane Dura-Cord for maximum strength

With increased abrasion resistance and touchscreen compatibility

With camber under foot and a rockered tip

Tannus Armour Tire Inserts Option:20 x 3.0-4.0 Single 7 is a lightweight stemTannus 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,