TANNUS Armour Tire Insert - 20 x 3.0-4.0" - Single Compatio_enriched HG sprockets have specially positioned

HG sprockets have specially positioned shift ramps and tooth profiles that improve chain control during shifting

5 mm thickness

Fork:  ALUXX-Grade fork fender/rack mounts

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

TANNUS Armour Tire Insert - 20 x 3.0-4.0" - Single Compatio_enriched HG sprockets have specially positionedTannus 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,