E Thirteen were the first company to make a chainguide that was light

Hydrofree DWR treatment

#10 Lockable zippers

for convenient water access

There is a slight flange on the inner side of the grip

Tannus Armour Tyre Insert - 700c - 35c-40c Replace Images E Thirteen were the firstTannus Armour tyre insert offers 360 bead to bead puncture protection for all levels and styles of riding. It provides protection against sharp objects, sidewall cuts, rim damage and pinch flats. Tannus Armour is a foam insert made with patented multi cell foam compound called Aither which is lightweight, flexible yet incredibly durable. Sitting flush between your tyre and inner tube, the Tannus Armour provides 15mm of puncture protection on the top,