Tannus Armour Tire Insert - 20 x 3.0-4.0 Single CheckoutSpec= RHEON Labs With Dual DNA rubber or

With Dual DNA rubber or Gravity DNA options this is the tire to ride when you are giving it your all

A complete pocket multi-tool with a reversible thumb wheel and a ratchet head rated to up to 30Nm

8mm handlebar clamp diameter providing 180 degrees of contact on the stem body for twist-free security that will play nice with both alloy and carbon bars

upper and lower cups

X-SYNC wide-tooth narrow-tooth chainring technology provides maximum chain control

Tannus Armour Tire Insert - 20 x 3.0-4.0 Single CheckoutSpec= RHEON Labs With Dual DNA rubber orTannus 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 more