Tannus Armour Tire Insert - 20 x 3.0-4.0 Single MFPN=BALLRET5/16X9 Tool may be stamped with

Tool may be stamped with "for use with 11 speed chains only" but works with 12 speed chains

Unique chainring shape results in a lighter weight stiffer more durable unit Tooth Count 48/35

5T 9mm OS (44 Rake) 58HT

Cuff Height 1 Primary Color White Size XL Color Natural Fabric Technology Wool

Tannus Armour Tire Insert - 20 x 3.0-4.0 Single MFPN=BALLRET5/16X9 Tool may be stamped withTannus 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