Tannus Armour Tire Insert - 20 x 3.0-4.0 Single MFPN=5023039850 } Never miss a beat

} Never miss a beat with the HRM-Pro Plus premium chest strap heart rate monitor Featuring dual transmission

4 TPI 120 Tire Bead Folding Tire Diameter 27

Great choice when relentless traction takes priority

Disc brakes ready

Backing Plate Material Aluminum Compound Organic Heat Sink No Pad Shape Number 36

Tannus Armour Tire Insert - 20 x 3.0-4.0 Single MFPN=5023039850 } Never miss a beatTannus Armour Tire Insert 20 x 3. 0 4. 0 Single. Tannus 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