TANNUS Armour Tire Insert - 20 x 3.0-4.0" - Single Compatio_enriched Front Derailleur: N/A

Front Derailleur:  N/A

Touch screen compatible index finger and thumb

Our VaporFit™ system lets you adjust the helmet on the fly

If you are looking for the best upgrade possible for your bike

6mm and 31

TANNUS Armour Tire Insert - 20 x 3.0-4.0" - Single Compatio_enriched Front Derailleur: N/ATannus 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,